20x-3=-0.9-x

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Solution for 20x-3=-0.9-x equation: 



20x-3=-0.9-x

We move all terms to the left:

20x-3-(-0.9-x)=0

We add all the numbers together, and all the variables

20x-(-1x-0.9)-3=0

We get rid of parentheses

20x+1x+0.9-3=0

We add all the numbers together, and all the variables

21x-2.1=0

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

21x=2.1

x=2.1/21

x=2.1/21

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