-7(1-3x)=-7+9x

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Solution for -7(1-3x)=-7+9x equation: 



-7(1-3x)=-7+9x

We move all terms to the left:

-7(1-3x)-(-7+9x)=0

We add all the numbers together, and all the variables

-7(-3x+1)-(9x-7)=0

We multiply parentheses

21x-(9x-7)-7=0

We get rid of parentheses

21x-9x+7-7=0

We add all the numbers together, and all the variables

12x=0

x=0/12

x=0

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