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3 years ago

8

5x + 2y =12 - 6x - 2y = - 14

1 answer:

lord [1]3 years ago

7 0

5x + 2y = 12
-6x - 2y = -14

Add them
-x = -2
x = 2

5x + 2y = 12
(5*2) + 2y = 12
10 + 2y = 12
2y = 2
y = 1

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