Question

Solve, using the substitution method.

y + 2x = 7
14 – 4x = 2y









A.

The solution is (1, 5)








B.

The solution is (21, 0)








C. <<<< 10 years ago

Answer 1

solve for y in the first equation

Answer 2

y=7-2x

Answer 3

now put 7 - 2x instead of y in the second equation
so basically remove y and out 7 - 2x

Answer 4

x=-13/2

Answer 5

plug the value of x into any equation and solve for y

Answer 6

btw the answer you chose is correct :)

Answer 7

Thanks so much 4 the help :)

Answer 8

yw :)