21+2x=9-3x

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Solution for 21+2x=9-3x equation: 



21+2x=9-3x

We move all terms to the left:

21+2x-(9-3x)=0

We add all the numbers together, and all the variables

2x-(-3x+9)+21=0

We get rid of parentheses

2x+3x-9+21=0

We add all the numbers together, and all the variables

5x+12=0

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

5x=-12

x=-12/5

x=-2+2/5

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