31=5(a+3)+6

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Solution for 31=5(a+3)+6 equation: 



31=5(a+3)+6

We move all terms to the left:

31-(5(a+3)+6)=0



We calculate terms in parentheses: -(5(a+3)+6), so:

5(a+3)+6

We multiply parentheses

5a+15+6

We add all the numbers together, and all the variables

5a+21

Back to the equation:

-(5a+21)



We get rid of parentheses

-5a-21+31=0

We add all the numbers together, and all the variables

-5a+10=0

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

-5a=-10

a=-10/-5

a=+2

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