7-3x=x-3(2+x)

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Solution for 7-3x=x-3(2+x) equation: 



7-3x=x-3(2+x)

We move all terms to the left:

7-3x-(x-3(2+x))=0

We add all the numbers together, and all the variables

-3x-(x-3(x+2))+7=0



We calculate terms in parentheses: -(x-3(x+2)), so:

x-3(x+2)

We multiply parentheses

x-3x-6

We add all the numbers together, and all the variables

-2x-6

Back to the equation:

-(-2x-6)



We get rid of parentheses

-3x+2x+6+7=0

We add all the numbers together, and all the variables

-1x+13=0

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

-x=-13

x=-13/-1

x=+13

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