0.10x+0.15x=0.12(x-20)

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Solution for 0.10x+0.15x=0.12(x-20) equation: 



0.10x+0.15x=0.12(x-20)

We move all terms to the left:

0.10x+0.15x-(0.12(x-20))=0

We add all the numbers together, and all the variables

0.25x-(0.12(x-20))=0



We calculate terms in parentheses: -(0.12(x-20)), so:

0.12(x-20)

We multiply parentheses

0.12x-2.4

Back to the equation:

-(0.12x-2.4)



We get rid of parentheses

0.25x-0.12x+2.4=0

We add all the numbers together, and all the variables

0.13x+2.4=0

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

0.13x=-2.4

x=-2.4/0.13

x=-18+0.06/0.13

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