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-(3x-9)=0

We add all the numbers together, and all the variables

2x-(3x-9)+16=0

We get rid of parentheses

2x-3x+9+16=0

We add all the numbers together, and all the variables

-1x+25=0

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

-x=-25

x=-25/-1

x=+25

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