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bocchinoc10 bocchinoc10
  • 01-04-2015
  • Mathematics
Answered

are these equivalent or not? 2.5(3+x) and 2.5x+7.5 

Verified Answer :

Anonymous Anonymous
  • 01-04-2015

They are equivalent. 2.5(3+x)+7.5+2.5x. 2.5x+7.5 is the same in opposite order.

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ValyRemus
ValyRemus ValyRemus
  • 02-04-2015

\(2.5(3+x)=2.5\cdot3+2.5\cdot x=\boxed{7.5+2.5x}\)

So, as you can see, 7.5+2.5x = 7.5+2.5x ⇒ 2.5(3+x) and 2.5x+7.5 are equivalent equations.

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