81=7(3x+5)+2x

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Solution for 81=7(3x+5)+2x equation: 



81=7(3x+5)+2x

We move all terms to the left:

81-(7(3x+5)+2x)=0



We calculate terms in parentheses: -(7(3x+5)+2x), so:

7(3x+5)+2x

We add all the numbers together, and all the variables

2x+7(3x+5)

We multiply parentheses

2x+21x+35

We add all the numbers together, and all the variables

23x+35

Back to the equation:

-(23x+35)



We get rid of parentheses

-23x-35+81=0

We add all the numbers together, and all the variables

-23x+46=0

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

-23x=-46

x=-46/-23

x=+2

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