x-(-2x)+5=20-(-3)

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Solution for x-(-2x)+5=20-(-3) equation: 



x-(-2x)+5=20-(-3)

We move all terms to the left:

x-(-2x)+5-(20-(-3))=0

We add all the numbers together, and all the variables

x-(-2x)-18=0

We get rid of parentheses

x+2x-18=0

We add all the numbers together, and all the variables

3x-18=0

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

3x=18

x=18/3

x=6

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