3(1-x)=x+7

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Solution for 3(1-x)=x+7 equation: 



3(1-x)=x+7

We move all terms to the left:

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

We add all the numbers together, and all the variables

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

We multiply parentheses

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

We get rid of parentheses

-3x-x-7+3=0

We add all the numbers together, and all the variables

-4x-4=0

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

-4x=4

x=4/-4

x=-1

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