4a+7(6a+5)=81

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Solution for 4a+7(6a+5)=81 equation: 



4a+7(6a+5)=81

We move all terms to the left:

4a+7(6a+5)-(81)=0

We multiply parentheses

4a+42a+35-81=0

We add all the numbers together, and all the variables

46a-46=0

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

46a=46

a=46/46

a=1

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