3x-3(5x-7)=12-1x

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Solution for 3x-3(5x-7)=12-1x equation: 



3x-3(5x-7)=12-1x

We move all terms to the left:

3x-3(5x-7)-(12-1x)=0

We add all the numbers together, and all the variables

3x-3(5x-7)-(-1x+12)=0

We multiply parentheses

3x-15x-(-1x+12)+21=0

We get rid of parentheses

3x-15x+1x-12+21=0

We add all the numbers together, and all the variables

-11x+9=0

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

-11x=-9

x=-9/-11

x=9/11

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