7+3a=12+3a

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Solution for 7+3a=12+3a equation: 



7+3a=12+3a

We move all terms to the left:

7+3a-(12+3a)=0

We add all the numbers together, and all the variables

3a-(3a+12)+7=0

We get rid of parentheses

3a-3a-12+7=0

We add all the numbers together, and all the variables

-5!=0

There is no solution for this equation

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