12.5=2.1x

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Solution for 12.5=2.1x equation: 



12.5=2.1x

We move all terms to the left:

12.5-(2.1x)=0

We add all the numbers together, and all the variables

-(+2.1x)+12.5=0

We get rid of parentheses

-2.1x+12.5=0

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

-2.1x=-12.5

x=-12.5/-2.1

x=5+1/1.05

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