4x-(7-x)=9-7(7x-12)

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Solution for 4x-(7-x)=9-7(7x-12) equation: 



4x-(7-x)=9-7(7x-12)

We move all terms to the left:

4x-(7-x)-(9-7(7x-12))=0

We add all the numbers together, and all the variables

4x-(-1x+7)-(9-7(7x-12))=0

We get rid of parentheses

4x+1x-(9-7(7x-12))-7=0



We calculate terms in parentheses: -(9-7(7x-12)), so:

9-7(7x-12)

determiningTheFunctionDomain
-7(7x-12)+9

We multiply parentheses

-49x+84+9

We add all the numbers together, and all the variables

-49x+93

Back to the equation:

-(-49x+93)



We add all the numbers together, and all the variables

5x-(-49x+93)-7=0

We get rid of parentheses

5x+49x-93-7=0

We add all the numbers together, and all the variables

54x-100=0

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

54x=100

x=100/54

x=1+23/27

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