-17+2x=-21-2x

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Solution for -17+2x=-21-2x equation: 



-17+2x=-21-2x

We move all terms to the left:

-17+2x-(-21-2x)=0

We add all the numbers together, and all the variables

2x-(-2x-21)-17=0

We get rid of parentheses

2x+2x+21-17=0

We add all the numbers together, and all the variables

4x+4=0

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

4x=-4

x=-4/4

x=-1

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