-5a-16=9a+12

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Solution for -5a-16=9a+12 equation: 



-5a-16=9a+12

We move all terms to the left:

-5a-16-(9a+12)=0

We get rid of parentheses

-5a-9a-12-16=0

We add all the numbers together, and all the variables

-14a-28=0

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

-14a=28

a=28/-14

a=-2

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