31-a=3(6a+4)

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Solution for 31-a=3(6a+4) equation: 



31-a=3(6a+4)

We move all terms to the left:

31-a-(3(6a+4))=0

We add all the numbers together, and all the variables

-1a-(3(6a+4))+31=0



We calculate terms in parentheses: -(3(6a+4)), so:

3(6a+4)

We multiply parentheses

18a+12

Back to the equation:

-(18a+12)



We get rid of parentheses

-1a-18a-12+31=0

We add all the numbers together, and all the variables

-19a+19=0

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

-19a=-19

a=-19/-19

a=1

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