3a+5=12-2a

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Solution for 3a+5=12-2a equation: 



3a+5=12-2a

We move all terms to the left:

3a+5-(12-2a)=0

We add all the numbers together, and all the variables

3a-(-2a+12)+5=0

We get rid of parentheses

3a+2a-12+5=0

We add all the numbers together, and all the variables

5a-7=0

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

5a=7

a=7/5

a=1+2/5

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