2(x-7)=40

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Solution for 2(x-7)=40 equation: 



2(x-7)=40

We move all terms to the left:

2(x-7)-(40)=0

We multiply parentheses

2x-14-40=0

We add all the numbers together, and all the variables

2x-54=0

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

2x=54

x=54/2

x=27

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