10-(x+3)=20

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Solution for 10-(x+3)=20 equation: 



10-(x+3)=20

We move all terms to the left:

10-(x+3)-(20)=0

We add all the numbers together, and all the variables

-(x+3)-10=0

We get rid of parentheses

-x-3-10=0

We add all the numbers together, and all the variables

-1x-13=0

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

-x=13

x=13/-1

x=-13

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