21-(5x+3)=0.2(10x+15)

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Solution for 21-(5x+3)=0.2(10x+15) equation: 



21-(5x+3)=0.2(10x+15)

We move all terms to the left:

21-(5x+3)-(0.2(10x+15))=0

We get rid of parentheses

-5x-(0.2(10x+15))-3+21=0



We calculate terms in parentheses: -(0.2(10x+15)), so:

0.2(10x+15)

We multiply parentheses

2x+3

Back to the equation:

-(2x+3)



We add all the numbers together, and all the variables

-5x-(2x+3)+18=0

We get rid of parentheses

-5x-2x-3+18=0

We add all the numbers together, and all the variables

-7x+15=0

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

-7x=-15

x=-15/-7

x=2+1/7

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