3(x+7)=7+x

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



3(x+7)=7+x

We move all terms to the left:

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

We add all the numbers together, and all the variables

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

We multiply parentheses

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

We get rid of parentheses

3x-x-7+21=0

We add all the numbers together, and all the variables

2x+14=0

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

2x=-14

x=-14/2

x=-7

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