a/3+8=21

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Solution for a/3+8=21 equation: 



a/3+8=21

We move all terms to the left:

a/3+8-(21)=0

We add all the numbers together, and all the variables

a/3-13=0

We multiply all the terms by the denominator


a-13*3=0

We add all the numbers together, and all the variables

a-39=0

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

a=39

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