4x+9=-2x-9

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Solution for 4x+9=-2x-9 equation:



4x+9=-2x-9
We move all terms to the left:
4x+9-(-2x-9)=0
We get rid of parentheses
4x+2x+9+9=0
We add all the numbers together, and all the variables
6x+18=0
We move all terms containing x to the left, all other terms to the right
6x=-18
x=-18/6
x=-3

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