3(x+7)=9x-3

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



3(x+7)=9x-3

We move all terms to the left:

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

We multiply parentheses

3x-(9x-3)+21=0

We get rid of parentheses

3x-9x+3+21=0

We add all the numbers together, and all the variables

-6x+24=0

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

-6x=-24

x=-24/-6

x=+4

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