Question

Solve the systems of equations:

3x-8y=7
-3x+13y=-17

Answer 1

x = -3

y = -2

Explanation:

3x-8y = 7

-3x+13y = -17

5y = -10

y = -2

Now put -2 in for y and solve for x

3x -8(-2) = 7

3x + 16 = 7

3x = -9

x = -3

Let's check

3(-3) -8(-2) = 7

-9 + 16 = 7

7 = 7

So, x = -3 and y = -2 is the correct answer.