4(3a+7)+3(2a+5)A=1

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Solution for 4(3a+7)+3(2a+5)A=1 equation: 



4(3a+7)+3(2a+5)=1

We move all terms to the left:

4(3a+7)+3(2a+5)-(1)=0

We multiply parentheses

12a+6a+28+15-1=0

We add all the numbers together, and all the variables

18a+42=0

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

18a=-42

a=-42/18

a=-2+1/3

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