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guajiro [1.7K]
3 years ago
12

Use the elimination method by subtraction to solve for x and then y.

Mathematics
1 answer:
diamong [38]3 years ago
7 0

Answer:

Step-by-step explanation:

Both equations have -7y. You can eliminate them by subtracting one equation from the other:

Multiply equation 1 by -1, then add it to equation 2:

-2x + 7y = 74

3x - 7y = -83

———————

x = -9

2x - 7y = -74

2(-9) - 7y = -74

-7y = -56

Y = 8

(x,y) = (-9, 8)

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