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what is 40+2x=90

Guest Mar 21, 2017
 #1
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40 + 2x = 90

 

Subtract 40 from both sides.

2x = 90 - 40

2x = 50

 

Divide both sides by 2.

x = 50/2

x = 25

hectictar  Mar 22, 2017

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