2x+2(x-4)=40

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Solution for 2x+2(x-4)=40 equation: 



2x+2(x-4)=40

We move all terms to the left:

2x+2(x-4)-(40)=0

We multiply parentheses

2x+2x-8-40=0

We add all the numbers together, and all the variables

4x-48=0

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

4x=48

x=48/4

x=12

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