12(1a+13)=144

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Solution for 12(1a+13)=144 equation: 



12(1a+13)=144

We move all terms to the left:

12(1a+13)-(144)=0

We add all the numbers together, and all the variables

12(a+13)-144=0

We multiply parentheses

12a+156-144=0

We add all the numbers together, and all the variables

12a+12=0

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

12a=-12

a=-12/12

a=-1

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