21+15x=33-9x

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Solution for 21+15x=33-9x equation: 



21+15x=33-9x

We move all terms to the left:

21+15x-(33-9x)=0

We add all the numbers together, and all the variables

15x-(-9x+33)+21=0

We get rid of parentheses

15x+9x-33+21=0

We add all the numbers together, and all the variables

24x-12=0

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

24x=12

x=12/24

x=1/2

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