-x + 8 = x - 10
8 - x = x - 10
8 = x - 10 + x
8 = 2x - 10
8 + 10 = 2x
18 = 2x
18/2 = x
9 = x
x = 9
Answer:
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Step-by-step explanation:
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Answer:
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Step-by-step explanation:
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10 dollars i got this by finding 4 times 2 is 8 and half of 4 is 2 so it is exactly 10 dollars