4.2=2.9+x

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Solution for 4.2=2.9+x equation: 



4.2=2.9+x

We move all terms to the left:

4.2-(2.9+x)=0

We add all the numbers together, and all the variables

-(x+2.9)+4.2=0

We get rid of parentheses

-x-2.9+4.2=0

We add all the numbers together, and all the variables

-1x+1.3=0

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

-x=-1.3

x=-1.3/-1

x=1+0.3/1

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