Question

Solve the system of equations
-5x+2y=9
y=7x

Answer 1

x=1, y=7

Explanation:

-5x+2y=9

y=7x

Since you know what y is relative to x, you can plug it into the formula to find your answer.

-5x+2(7x)=9

14x-5x=9

x=1

y=7

Hope this helps!