Solve the system of equations by substitution. what is the solution for x? 2x + y = 1 4x + 2y = −1
Asked by maham237 @ in Mathematics viewed by 416 People
Answered by maham237 @
Answer:
Given the system of equation:
2x+y = 1 .....[1]
4x+2y = -2 .....[2]
We can write equation [1] as:
y = 1-2x
Substitute the value of y in [2] we have;
Using distributive property,
then;
Combine like terms;
False.
Therefore, there is no solution and x = ∅
Similar Questions
Solve the following system of equations: −2x + y = 1 −4x + y = −1
Asked by maham237 @ in Mathematics viewed by 502 persons
(3, 1)
(−1, 3)
(−1, −3)
(1, 3)
Solve the system by substitution y 2x 3x 2y 21
Asked by maham237 @ in Mathematics viewed by 297 persons
Solve the system 3x 2y 1 and 2x y 5
Asked by admin @ in Math viewed by 411 persons
21 Solve the linear equations 2x-y-5 and 3x+2y-1 using substitution method
22. Check whether - 150 is a term of the AP: 11.8.5.223. Ifx +2x+6 are in GP Find …
X 2y 1 solve for y
Asked by maham237 @ in Mathematics viewed by 364 persons
How to solve x-2y=1 for y
Solve the system by elimination x+5y-4z=-10
Asked by maham237 @ in Mathematics viewed by 357 persons
2x-y+5z=-9, 2x-10y-5z=0 .. . 2. Solve the system by substitution: 2x-y+z=-4, z=5, -2x+3y-z=-10. . . 3. A food store makes a 11–pound mixture of peanuts, almonds, and raisins. The cost …
Solve the equation graphically 2x y 2 4x y 4
Asked by admin @ in Math viewed by 293 persons
Solve the equations graphically 2x-y=2 and 4x-y=4
Solve 2x y 5 and 3x 2y 11 by substitution
Asked by admin @ in Math viewed by 343 persons
Solve 2x – y = 5 and 3x + 2y = 11 by substitution.
Solve the equation 4x 3 3x y 2y 5x 12
Asked by admin @ in Mathematics viewed by 304 persons
Solve the system of equations.
3x = -31 + 2y
5x + 6y = 23
a. x = -5, y = 8
b. x = - 29, y = - …
Write one solution of the equation 2x y 1 0
Asked by admin @ in Math viewed by 365 persons
Write one solution of-equation 2x-y+1=0
Solve the following system of equations and show all work. y = x2 + 3 y = x + 5
Asked by maham237 @ in Mathematics viewed by 435 persons
Solve the following system of equations and show all work.
y = x2 + 3
y = x + 5
Systems of equations with different slopes and different y-intercepts have more than one solution.
Asked by maham237 @ in Mathematics viewed by 334 persons
Systems of equations with different slopes and different y-intercepts have more than one solution.
A. Always
B. Sometimes
C. Never
Solve 1 2 1 2x x 2 7x 10 4x
Asked by maham237 @ in Mathematics viewed by 337 persons
Solve 1/2+1/2x=x^2-7x+10/4x by re-writing the equation as a proportion. Which proportion is equivalent to the original equation?
In the below system, solve for y in the first equation. x − 3y = −6 2x − 7y = 10
Asked by maham237 @ in Mathematics viewed by 361 persons
In the below system, solve for y in the first equation.
x − 3y = −6
2x − 7y = 10
A. 1/3x+2
B. -1/3x+6
C. -x+2
D. -1/3x+2
Solve the following system of equations and show all work. y = 2x2 y = –3x −1
Asked by maham237 @ in Mathematics viewed by 395 persons
Solve the following system of equations and show all work.
y = 2x2
y = –3x −1
Most viewed questions in Mathematics
Unit 6 similar triangles homework 2 similar figures answer key
Asked by maham237 @ in Mathematics viewed by 18339 persons
All things algebra unit 7 polygons and quadrilaterals answer key
Asked by admin @ in Mathematics viewed by 8138 persons
Gina wilson all things algebra 2016 answer key unit 11
Asked by admin @ in Mathematics viewed by 5762 persons
Unit 1 geometry basics homework 4 angle addition postulate answers
Asked by maham237 @ in Mathematics viewed by 3928 persons
Unit 6 exponents and exponential functions homework 8 answer key
Asked by maham237 @ in Mathematics viewed by 3245 persons
The manager of a vacation resort believes that the ages
Asked by maham237 @ in Mathematics viewed by 2918 persons
What is 271 403 rounded to the nearest ten thousand
Asked by maham237 @ in Mathematics viewed by 2778 persons
Unit 1 geometry basics homework 3 angle relationships answer key
Asked by maham237 @ in Mathematics viewed by 2572 persons
Why would a prism beat a sphere in a competition?
Asked by maham237 @ in Mathematics viewed by 2472 persons
An artist sells a painting for 20.50 but uses 5.75
Asked by maham237 @ in Mathematics viewed by 2421 persons
Unit 4 congruent triangles homework 1 classifying triangles answer key
Asked by maham237 @ in Mathematics viewed by 2413 persons
Unit 4 congruent triangles homework 2 angles of triangles
Asked by maham237 @ in Mathematics viewed by 2068 persons
Compare the values of the 2s and 5s in 55220
Asked by maham237 @ in Mathematics viewed by 1787 persons