7=3(x-9)+4

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Solution for 7=3(x-9)+4 equation: 



7=3(x-9)+4

We move all terms to the left:

7-(3(x-9)+4)=0



We calculate terms in parentheses: -(3(x-9)+4), so:

3(x-9)+4

We multiply parentheses

3x-27+4

We add all the numbers together, and all the variables

3x-23

Back to the equation:

-(3x-23)



We get rid of parentheses

-3x+23+7=0

We add all the numbers together, and all the variables

-3x+30=0

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

-3x=-30

x=-30/-3

x=+10

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