3=x/7.2

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Solution for 3=x/7.2 equation: 



3=x/7.2

We move all terms to the left:

3-(x/7.2)=0

We add all the numbers together, and all the variables

-(+x/7.2)+3=0

We get rid of parentheses

-x/7.2+3=0

We multiply all the terms by the denominator


-x+3*7.2=0

We add all the numbers together, and all the variables

-1x+21.6=0

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

-x=-21.6

x=-21.6/-1

x=21+0.6/1

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