9x+21=3x-5

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Solution for 9x+21=3x-5 equation: 



9x+21=3x-5

We move all terms to the left:

9x+21-(3x-5)=0

We get rid of parentheses

9x-3x+5+21=0

We add all the numbers together, and all the variables

6x+26=0

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

6x=-26

x=-26/6

x=-4+1/3

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