16=x+x=3x-9

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Solution for 16=x+x=3x-9 equation:



16=x+x=3x-9
We move all terms to the left:
16-(x+x)=0
We add all the numbers together, and all the variables
-(+2x)+16=0
We get rid of parentheses
-2x+16=0
We move all terms containing x to the left, all other terms to the right
-2x=-16
x=-16/-2
x=+8

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