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Determine if these expression is equivalent or not. 7+7x;7(x+1/7) 2.5(3+x);2.5x+7.5

Determine if these expression is equivalent or not. 7+7x;7(x+1/7) 2.5(3+x);2.5x+7.5
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1 vote
Determine if these expression is equivalent or not.
7+7x;7(x+1/7)
2.5(3+x);2.5x+7.5

User CRDave
by
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1 Answer

1 vote

7(x+(1)/(7))=7 * x+7 * (1)/(7)=7x+1 \\ot= 7+7x \\ not \ equivalent \\ \\ 2.5(3+x)=2.5 * 3+ 2.5 * x=7.5+2.5x=2.5x+7.5 \\ equivalent
User Trevor Daniels
by
8.5k points
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