(7x-11)+(5x+12)=(3x+55)

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Solution for (7x-11)+(5x+12)=(3x+55) equation: 



(7x-11)+(5x+12)=(3x+55)

We move all terms to the left:

(7x-11)+(5x+12)-((3x+55))=0

We get rid of parentheses

7x+5x-((3x+55))-11+12=0



We calculate terms in parentheses: -((3x+55)), so:

(3x+55)

We get rid of parentheses

3x+55

Back to the equation:

-(3x+55)



We add all the numbers together, and all the variables

12x-(3x+55)+1=0

We get rid of parentheses

12x-3x-55+1=0

We add all the numbers together, and all the variables

9x-54=0

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

9x=54

x=54/9

x=6

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