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Anonymous Anonymous
  • 01-02-2015
  • Mathematics
Answered

A number is doubled and then increased by seven. The result is ninety three. What is the origonal number

Verified Answer :

ValyRemus
ValyRemus ValyRemus
  • 01-02-2015

\(\hbox {Let x - to be your number.}\)

\(2x+7=93\) ⇒ \(2x=93-7\) ⇒ \(2x=86\)

\(x= \frac{86}{2}\) ⇒ \(\boxed {x=43}\)

Answer Link
zinora2012 zinora2012
  • 01-02-2015

Subtract 7 from both sides
2 . x = 86 Divide both sides by 2
X = 43

Answer Link

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