x+3=-3x+9

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



x+3=-3x+9

We move all terms to the left:

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

We get rid of parentheses

x+3x-9+3=0

We add all the numbers together, and all the variables

4x-6=0

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

4x=6

x=6/4

x=1+1/2

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