0.4(x-20)=0.1(-x+20)

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Solution for 0.4(x-20)=0.1(-x+20) equation: 



0.4(x-20)=0.1(-x+20)

We move all terms to the left:

0.4(x-20)-(0.1(-x+20))=0

We add all the numbers together, and all the variables

0.4(x-20)-(0.1(-1x+20))=0

We multiply parentheses

0.4x-(0.1(-1x+20))-8=0



We calculate terms in parentheses: -(0.1(-1x+20)), so:

0.1(-1x+20)

We multiply parentheses

-0.1x+2

Back to the equation:

-(-0.1x+2)



We get rid of parentheses

0.4x+0.1x-2-8=0

We add all the numbers together, and all the variables

0.5x-10=0

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

0.5x=10

x=10/0.5

x=20

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