-0.10(21)+0.90x=0.05(x-8)

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Solution for -0.10(21)+0.90x=0.05(x-8) equation: 



-0.10(21)+0.90x=0.05(x-8)

We move all terms to the left:

-0.10(21)+0.90x-(0.05(x-8))=0



We calculate terms in parentheses: -(0.05(x-8)), so:

0.05(x-8)

We multiply parentheses

0.05x-0.4

Back to the equation:

-(0.05x-0.4)



We get rid of parentheses

0.90x-0.05x+0.4-0.1021=0

We add all the numbers together, and all the variables

0.85x+0.2979=0

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

0.85x=-0.2979

x=-0.2979/0.85

x=-0.2979/0.85

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