Question

-2x - 3y = - 9
X + 4y = 12

Answer 1

-2x - 3y = -9
x + 4y = 12   *(2)

-2x - 3y = -9
2x + 8y = 24

5y = 15
y = 15/5
y = 3

-2x - 3y = -9
-2x - 3*(3) = -9
-2x - 9 = -9
-2x = -9 + 9
-2x = 0
x = 0