2x+x+(x-4)=72

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Solution for 2x+x+(x-4)=72 equation: 



2x+x+(x-4)=72

We move all terms to the left:

2x+x+(x-4)-(72)=0

We add all the numbers together, and all the variables

3x+(x-4)-72=0

We get rid of parentheses

3x+x-4-72=0

We add all the numbers together, and all the variables

4x-76=0

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

4x=76

x=76/4

x=19

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