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2y = -10

y = -5

8 - 2x - 2(-5) = -10

8 - 2x + 10 = -10

-2x = -10 - 18

2x = 28

x = 14

Check:

2y = 8 - 2x - 2y = -10

2(-5) = 8 - 2(14) - 2(-5) = -10

-10 = 8 - 28 + 10 = -10

-10 = -20 + 10 = -10

-10 = -10 = -10

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Q: X plus 2y equals 8 -2x - 2y equals -10?
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