3,8=-7+x-2,1

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Solution for 3,8=-7+x-2,1 equation: 



3.8=-7+x-2.1

We move all terms to the left:

3.8-(-7+x-2.1)=0

We add all the numbers together, and all the variables

-(x-9.1)+3.8=0

We get rid of parentheses

-x+9.1+3.8=0

We add all the numbers together, and all the variables

-1x+12.9=0

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

-x=-12.9

x=-12.9/-1

x=12+0.9/1

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