Question

[6.02] and [6.03] What is the value of the x variable in the solution to the following system of equations?

4x + 8y = 8
x + 2y = 2

Answer 1

use substitution to solve each problem

Answer 2

so for the first one, 4x+8y=8

Answer 3

4x=8-8y

Answer 4

x=2-2y

Answer 5

and the 4(2-2y)+8y=8

Answer 6

so 8-8y+8=8

Answer 7

8-8y=0

Answer 8

-8y=-8

Answer 9

y=1

Answer 10

test it in both to see if it works, and then solve for x

Answer 11

ohk thank you