o/5+3=21

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Solution for o/5+3=21 equation: 



o/5+3=21

We move all terms to the left:

o/5+3-(21)=0

We add all the numbers together, and all the variables

o/5-18=0

We multiply all the terms by the denominator


o-18*5=0

We add all the numbers together, and all the variables

o-90=0

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

o=90

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