3(a+13)+6=7a

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Solution for 3(a+13)+6=7a equation: 



3(a+13)+6=7a

We move all terms to the left:

3(a+13)+6-(7a)=0

We add all the numbers together, and all the variables

-7a+3(a+13)+6=0

We multiply parentheses

-7a+3a+39+6=0

We add all the numbers together, and all the variables

-4a+45=0

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

-4a=-45

a=-45/-4

a=11+1/4

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