-15x-6=-20x+9

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Solution for -15x-6=-20x+9 equation: 



-15x-6=-20x+9

We move all terms to the left:

-15x-6-(-20x+9)=0

We get rid of parentheses

-15x+20x-9-6=0

We add all the numbers together, and all the variables

5x-15=0

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

5x=15

x=15/5

x=3

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