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

User Dmitry Stropalov
by
8.2k points

2 Answers

3 votes
Subtract 7 from both sides
2 . x = 86 Divide both sides by 2
X = 43
User Bxx
by
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1 vote

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


2x+7=93 ⇒
2x=93-7 ⇒
2x=86


x= (86)/(2) ⇒
\boxed {x=43}
User Svekke
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7.8k points
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