3=a-12/7

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Solution for 3=a-12/7 equation: 



3=a-12/7

We move all terms to the left:

3-(a-12/7)=0

We add all the numbers together, and all the variables

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

We get rid of parentheses

-a+3+12/7=0

We multiply all the terms by the denominator


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

We add all the numbers together, and all the variables

-a*7+33=0

Wy multiply elements

-7a+33=0

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

-7a=-33

a=-33/-7

a=4+5/7

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