7(x-3)=-3x

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



7(x-3)=-3x

We move all terms to the left:

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

We multiply parentheses

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

We get rid of parentheses

7x+3x-21=0

We add all the numbers together, and all the variables

10x-21=0

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

10x=21

x=21/10

x=2+1/10

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