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sdas [7]
4 years ago
12

Find the solution of this system of equations 2x-2y=-12 4x-7y=-15

Mathematics
1 answer:
ad-work [718]4 years ago
6 0
2x - 2y = -12
- 2y = -2x - 12
y = x + 6

4x - 7 (x + 6) = -15
4x - 7x - 42 = -15
-3x - 42 = -15
-3x = 27
x = -9

y = -9 + 6
y = -3

(-9 , -3) is the solution
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