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8x (40+7) = (8x?) + (8x7) what does the ? stand for?

8x (40+7) = (8x?) + (8x7) what does the ? stand for?
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8x (40+7) = (8x?) + (8x7) what does the ? stand for?



User Darren Alfonso
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8 * (40+7) = (8*x) + (8*7) \\ \\ 8(47)=8x+56 \\ \\ 376=8x+56 \\ \\ 320=8x \\ \\ 40=x
User Scott Carey
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