2(x+40+7x)=4x+20

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Solution for 2(x+40+7x)=4x+20 equation: 



2(x+40+7x)=4x+20

We move all terms to the left:

2(x+40+7x)-(4x+20)=0

We add all the numbers together, and all the variables

2(8x+40)-(4x+20)=0

We multiply parentheses

16x-(4x+20)+80=0

We get rid of parentheses

16x-4x-20+80=0

We add all the numbers together, and all the variables

12x+60=0

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

12x=-60

x=-60/12

x=-5

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