Is my answer correct? System of equations

Question

Two lines have the equations:

9x + 2y = 5

x - 2y = -15

At what (x,y) points will the line cross.

My answer is y = 7 and x = -1

Yes?

Answer 1

Best way to check is to do it yourself.

Substittue (-1, 7) into both equations.

If (-1, 7) solves both your solution is correct.