(8x+42)=(5x+81)

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Solution for (8x+42)=(5x+81) equation: 



(8x+42)=(5x+81)

We move all terms to the left:

(8x+42)-((5x+81))=0

We get rid of parentheses

8x-((5x+81))+42=0



We calculate terms in parentheses: -((5x+81)), so:

(5x+81)

We get rid of parentheses

5x+81

Back to the equation:

-(5x+81)



We get rid of parentheses

8x-5x-81+42=0

We add all the numbers together, and all the variables

3x-39=0

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

3x=39

x=39/3

x=13

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