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x = 1, y = 9. Here's one way to solve:
Since y = x + 8, from the second equation, substitute (x + 8) for y in the first equation: x + (x+8) = 10 --> 2x + 8 = 10, and 2x = 2, so x = 1.
Now y = x + 8, so substitute x=1 and get y = 1 + 8 = 9. Check your answer in the first equation: [x+y=10]: 1+9=10, which checks out.
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Earn +20 ptsQ: What is the order pair for x plus y equals 10 and y equals x plus 8?
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