x/8+12=21

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Solution for x/8+12=21 equation: 



x/8+12=21

We move all terms to the left:

x/8+12-(21)=0

We add all the numbers together, and all the variables

x/8-9=0

We multiply all the terms by the denominator


x-9*8=0

We add all the numbers together, and all the variables

x-72=0

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

x=72

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