1,31x=21,2-x

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Solution for 1,31x=21,2-x equation: 



1.31x=21.2-x

We move all terms to the left:

1.31x-(21.2-x)=0

We add all the numbers together, and all the variables

1.31x-(-1x+21.2)=0

We get rid of parentheses

1.31x+1x-21.2=0

We add all the numbers together, and all the variables

2.31x-21.2=0

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

2.31x=21.2

x=21.2/2.31

x=9+0.41/2.31

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