-10x+15x-20=2x+1

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Solution for -10x+15x-20=2x+1 equation: 



-10x+15x-20=2x+1

We move all terms to the left:

-10x+15x-20-(2x+1)=0

We add all the numbers together, and all the variables

5x-(2x+1)-20=0

We get rid of parentheses

5x-2x-1-20=0

We add all the numbers together, and all the variables

3x-21=0

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

3x=21

x=21/3

x=7

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