Question

2x-3y=-5
2x+y=7
what is the solution?

Answer 1

y = 3 and x = 2

Explanation:

subtract the 2nd eqn from the first...

-4y = -12

y = 3

substitute the value of y into either of the eqns...

2x - 3(3) = -5

2x = 4

x = 2