21=g/8+15

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Solution for 21=g/8+15 equation: 



21=g/8+15

We move all terms to the left:

21-(g/8+15)=0

We get rid of parentheses

-g/8-15+21=0

We multiply all the terms by the denominator


-g-15*8+21*8=0

We add all the numbers together, and all the variables

-1g+48=0

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

-g=-48

g=-48/-1

g=+48

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