(9x-40)=(2x+42)

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Solution for (9x-40)=(2x+42) equation: 



(9x-40)=(2x+42)

We move all terms to the left:

(9x-40)-((2x+42))=0

We get rid of parentheses

9x-((2x+42))-40=0



We calculate terms in parentheses: -((2x+42)), so:

(2x+42)

We get rid of parentheses

2x+42

Back to the equation:

-(2x+42)



We get rid of parentheses

9x-2x-42-40=0

We add all the numbers together, and all the variables

7x-82=0

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

7x=82

x=82/7

x=11+5/7

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