12+3a=2a+5

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



12+3a=2a+5

We move all terms to the left:

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

We get rid of parentheses

3a-2a-5+12=0

We add all the numbers together, and all the variables

a+7=0

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

a=-7

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