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klasskru [66]
3 years ago
15

Hey guys! I need help solving this equation! The equation is:

Mathematics
1 answer:
user100 [1]3 years ago
3 0

Ok so you have your two equations:
(1) 2x + 3y = -11 (I am assuming you meant 2x + 3y instead of 2x + 3x at least?)
(2) x - y = 12
x = y + 12

If we substitute equation (2) into equation (1) we get:
2(y + 12) + 3y = -11
2y + 24 + 3y = -11
5y = -35, therefor y = -7

If y = -7, from equation (2) we get:
x = -7 + 12 = 5

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