12a-7+3a=3+4a

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Solution for 12a-7+3a=3+4a equation: 



12a-7+3a=3+4a

We move all terms to the left:

12a-7+3a-(3+4a)=0

We add all the numbers together, and all the variables

12a+3a-(4a+3)-7=0

We add all the numbers together, and all the variables

15a-(4a+3)-7=0

We get rid of parentheses

15a-4a-3-7=0

We add all the numbers together, and all the variables

11a-10=0

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

11a=10

a=10/11

a=10/11

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