1.2x+4.3=21/10-x

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Solution for 1.2x+4.3=21/10-x equation: 



1.2x+4.3=21/10-x

We move all terms to the left:

1.2x+4.3-(21/10-x)=0



Domain of the equation: 10-x)!=0

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

-x)!=-10

x!=-10/1

x!=-10

x∈R



We add all the numbers together, and all the variables

1.2x-(-1x+21/10)+4.3=0

We get rid of parentheses

1.2x+1x+4.3-21/10=0

We multiply all the terms by the denominator


(1.2x)*10+1x*10-21+(4.3)*10=0

We add all the numbers together, and all the variables

(+1.2x)*10+1x*10-21+(4.3)*10=0

We add all the numbers together, and all the variables

(+1.2x)*10+1x*10+22=0

We multiply parentheses

10x+1x*10+22=0

Wy multiply elements

10x+10x+22=0

We add all the numbers together, and all the variables

20x+22=0

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

20x=-22

x=-22/20

x=-1+1/10

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