5-3a=7a+12

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Solution for 5-3a=7a+12 equation: 



5-3a=7a+12

We move all terms to the left:

5-3a-(7a+12)=0

We get rid of parentheses

-3a-7a-12+5=0

We add all the numbers together, and all the variables

-10a-7=0

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

-10a=7

a=7/-10

a=-7/10

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