3a=+5a+7a=

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Solution for 3a=+5a+7a= equation: 



3a=+5a+7a=

We move all terms to the left:

3a-(+5a+7a)=0

We add all the numbers together, and all the variables

3a-(+12a)=0

We get rid of parentheses

3a-12a=0

We add all the numbers together, and all the variables

-9a=0

a=0/-9

a=0

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