3.18.9=2.1x

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Solution for 3.18.9=2.1x equation: 



3.18.9=2.1x

We move all terms to the left:

3.18.9-(2.1x)=0

We add all the numbers together, and all the variables

-(+2.1x)+3.18.9=0

We add all the numbers together, and all the variables

-(+2.1x)+2.862=0

We get rid of parentheses

-2.1x+2.862=0

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

-2.1x=-2.862

x=-2.862/-2.1

x=1+0.762/2.1

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