Multiply the first equation by 2:
-2x + 2y = 8
3x - 2y = -7
Add the two equations:
x + 0y = 1
Simplify
x = 1
Substitute back into either original equation:
3(1) - 2y = -7
Solve for the remaining variable:
- 2y = -10
y = 5
Check:
-1 + 5 = 4
3(1) - 2(5) = -7
John
Egw to Beta kai to Sigma
My calculator said it, I believe it, that settles it