(2x-4)+(x+7)=18

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Solution for (2x-4)+(x+7)=18 equation: 



(2x-4)+(x+7)=18

We move all terms to the left:

(2x-4)+(x+7)-(18)=0

We get rid of parentheses

2x+x-4+7-18=0

We add all the numbers together, and all the variables

3x-15=0

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

3x=15

x=15/3

x=5

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