7x-4=9(x+2)

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Solution for 7x-4=9(x+2) equation: 



7x-4=9(x+2)

We move all terms to the left:

7x-4-(9(x+2))=0



We calculate terms in parentheses: -(9(x+2)), so:

9(x+2)

We multiply parentheses

9x+18

Back to the equation:

-(9x+18)



We get rid of parentheses

7x-9x-18-4=0

We add all the numbers together, and all the variables

-2x-22=0

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

-2x=22

x=22/-2

x=-11

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