(21+.08x)=(13+.12x)

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Solution for (21+.08x)=(13+.12x) equation: 



(21+.08x)=(13+.12x)

We move all terms to the left:

(21+.08x)-((13+.12x))=0

We add all the numbers together, and all the variables

(.08x+21)-((.12x+13))=0

We get rid of parentheses

.08x-((.12x+13))+21=0



We calculate terms in parentheses: -((.12x+13)), so:

(.12x+13)

We get rid of parentheses

.12x+13

Back to the equation:

-(.12x+13)



We get rid of parentheses

.08x-.12x-13+21=0

We add all the numbers together, and all the variables

-0.04x+8=0

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

-0.04x=-8

x=-8/-0.04

x=+200

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