x/3+3.5=21

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Solution for x/3+3.5=21 equation: 



x/3+3.5=21

We move all terms to the left:

x/3+3.5-(21)=0

We add all the numbers together, and all the variables

x/3-17.5=0

We multiply all the terms by the denominator


x-(17.5)*3=0

We add all the numbers together, and all the variables

x-52.5=0

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

x=52.5

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