3a-20=12-12a+3

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



3a-20=12-12a+3

We move all terms to the left:

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

We add all the numbers together, and all the variables

3a-(-12a+15)-20=0

We get rid of parentheses

3a+12a-15-20=0

We add all the numbers together, and all the variables

15a-35=0

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

15a=35

a=35/15

a=2+1/3

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