9x=12-15x-20

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Solution for 9x=12-15x-20 equation: 



9x=12-15x-20

We move all terms to the left:

9x-(12-15x-20)=0

We add all the numbers together, and all the variables

9x-(-15x-8)=0

We get rid of parentheses

9x+15x+8=0

We add all the numbers together, and all the variables

24x+8=0

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

24x=-8

x=-8/24

x=-1/3

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