3x+7=4(x-9)

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



3x+7=4(x-9)

We move all terms to the left:

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

3x-4x+36+7=0

We add all the numbers together, and all the variables

-1x+43=0

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

-x=-43

x=-43/-1

x=+43

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