(13x+90)=(21x+63.2)

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Solution for (13x+90)=(21x+63.2) equation: 



(13x+90)=(21x+63.2)

We move all terms to the left:

(13x+90)-((21x+63.2))=0

We get rid of parentheses

13x-((21x+63.2))+90=0



We calculate terms in parentheses: -((21x+63.2)), so:

(21x+63.2)

We get rid of parentheses

21x+63.2

Back to the equation:

-(21x+63.2)



We get rid of parentheses

13x-21x-63.2+90=0

We add all the numbers together, and all the variables

-8x+26.8=0

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

-8x=-26.8

x=-26.8/-8

x=3+1/2.8571428571429

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