-3x+17=-5x+21

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Solution for -3x+17=-5x+21 equation: 



-3x+17=-5x+21

We move all terms to the left:

-3x+17-(-5x+21)=0

We get rid of parentheses

-3x+5x-21+17=0

We add all the numbers together, and all the variables

2x-4=0

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

2x=4

x=4/2

x=2

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