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

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



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

We move all terms to the left:

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

We add all the numbers together, and all the variables

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



We calculate terms in parentheses: -(3-3(x+7)-x), so:

3-3(x+7)-x

determiningTheFunctionDomain
-3(x+7)-x+3

We add all the numbers together, and all the variables

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

We multiply parentheses

-1x-3x-21+3

We add all the numbers together, and all the variables

-4x-18

Back to the equation:

-(-4x-18)



We get rid of parentheses

4x+18+2=0

We add all the numbers together, and all the variables

4x+20=0

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

4x=-20

x=-20/4

x=-5

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