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

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



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

We move all terms to the left:

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

We multiply parentheses

7x-(4(x-9))+63=0



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

4(x-9)

We multiply parentheses

4x-36

Back to the equation:

-(4x-36)



We get rid of parentheses

7x-4x+36+63=0

We add all the numbers together, and all the variables

3x+99=0

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

3x=-99

x=-99/3

x=-33

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