7x-(11x-3x)=78-(12x+23)

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Solution for 7x-(11x-3x)=78-(12x+23) equation: 



7x-(11x-3x)=78-(12x+23)

We move all terms to the left:

7x-(11x-3x)-(78-(12x+23))=0

We add all the numbers together, and all the variables

7x-(+8x)-(78-(12x+23))=0

We get rid of parentheses

7x-8x-(78-(12x+23))=0



We calculate terms in parentheses: -(78-(12x+23)), so:

78-(12x+23)

determiningTheFunctionDomain
-(12x+23)+78

We get rid of parentheses

-12x-23+78

We add all the numbers together, and all the variables

-12x+55

Back to the equation:

-(-12x+55)



We add all the numbers together, and all the variables

-1x-(-12x+55)=0

We get rid of parentheses

-1x+12x-55=0

We add all the numbers together, and all the variables

11x-55=0

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

11x=55

x=55/11

x=5

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