0.9x-2.1+0.9=-0.2(5-x)

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Solution for 0.9x-2.1+0.9=-0.2(5-x) equation: 



0.9x-2.1+0.9=-0.2(5-x)

We move all terms to the left:

0.9x-2.1+0.9-(-0.2(5-x))=0

We add all the numbers together, and all the variables

0.9x-(-0.2(-1x+5))-2.1+0.9=0

We add all the numbers together, and all the variables

0.9x-(-0.2(-1x+5))-1.2=0



We calculate terms in parentheses: -(-0.2(-1x+5)), so:

-0.2(-1x+5)

We multiply parentheses

0.2x-1

Back to the equation:

-(0.2x-1)



We get rid of parentheses

0.9x-0.2x+1-1.2=0

We add all the numbers together, and all the variables

0.7x-0.2=0

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

0.7x=0.2

x=0.2/0.7

x=0.2/0.7

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