7x=8-4(x-9)

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Solution for 7x=8-4(x-9) equation: 



7x=8-4(x-9)

We move all terms to the left:

7x-(8-4(x-9))=0



We calculate terms in parentheses: -(8-4(x-9)), so:

8-4(x-9)

determiningTheFunctionDomain
-4(x-9)+8

We multiply parentheses

-4x+36+8

We add all the numbers together, and all the variables

-4x+44

Back to the equation:

-(-4x+44)



We get rid of parentheses

7x+4x-44=0

We add all the numbers together, and all the variables

11x-44=0

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

11x=44

x=44/11

x=4

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