(x+7)+2x=16

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Solution for (x+7)+2x=16 equation: 



(x+7)+2x=16

We move all terms to the left:

(x+7)+2x-(16)=0

We add all the numbers together, and all the variables

2x+(x+7)-16=0

We get rid of parentheses

2x+x+7-16=0

We add all the numbers together, and all the variables

3x-9=0

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

3x=9

x=9/3

x=3

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