12a-3a+4=5a-16

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Solution for 12a-3a+4=5a-16 equation: 



12a-3a+4=5a-16

We move all terms to the left:

12a-3a+4-(5a-16)=0

We add all the numbers together, and all the variables

9a-(5a-16)+4=0

We get rid of parentheses

9a-5a+16+4=0

We add all the numbers together, and all the variables

4a+20=0

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

4a=-20

a=-20/4

a=-5

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