(x)(.75)=21

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Solution for (x)(.75)=21 equation: 



(x)(.75)=21

We move all terms to the left:

(x)(.75)-(21)=0

We add all the numbers together, and all the variables

x(0.75)-21=0

We multiply parentheses

0.75x-21=0

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

0.75x=21

x=21/0.75

x=28

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