2x+(10-(x-1.3))=20

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Solution for 2x+(10-(x-1.3))=20 equation: 



2x+(10-(x-1.3))=20

We move all terms to the left:

2x+(10-(x-1.3))-(20)=0



We calculate terms in parentheses: +(10-(x-1.3)), so:

10-(x-1.3)

determiningTheFunctionDomain
-(x-1.3)+10

We get rid of parentheses

-x+1.3+10

We add all the numbers together, and all the variables

-1x+11.3

Back to the equation:

+(-1x+11.3)



We get rid of parentheses

2x-1x+11.3-20=0

We add all the numbers together, and all the variables

x-8.7=0

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

x=8.7

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