7x-2(-3x+21)=114

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Solution for 7x-2(-3x+21)=114 equation: 



7x-2(-3x+21)=114

We move all terms to the left:

7x-2(-3x+21)-(114)=0

We multiply parentheses

7x+6x-42-114=0

We add all the numbers together, and all the variables

13x-156=0

We move all terms containing x to the left, all other terms to the right

13x=156

x=156/13

x=12

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