2(3x+7)=7-x

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



2(3x+7)=7-x

We move all terms to the left:

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

We add all the numbers together, and all the variables

2(3x+7)-(-1x+7)=0

We multiply parentheses

6x-(-1x+7)+14=0

We get rid of parentheses

6x+1x-7+14=0

We add all the numbers together, and all the variables

7x+7=0

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

7x=-7

x=-7/7

x=-1

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