15+x/8=21

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Solution for 15+x/8=21 equation: 



15+x/8=21

We move all terms to the left:

15+x/8-(21)=0

We add all the numbers together, and all the variables

x/8-6=0

We multiply all the terms by the denominator


x-6*8=0

We add all the numbers together, and all the variables

x-48=0

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

x=48

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