20a-16=12-3a

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Solution for 20a-16=12-3a equation: 



20a-16=12-3a

We move all terms to the left:

20a-16-(12-3a)=0

We add all the numbers together, and all the variables

20a-(-3a+12)-16=0

We get rid of parentheses

20a+3a-12-16=0

We add all the numbers together, and all the variables

23a-28=0

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

23a=28

a=28/23

a=1+5/23

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