x+2x+(x+8)=18-

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Solution for x+2x+(x+8)=18- equation: 



x+2x+(x+8)=18-

We move all terms to the left:

x+2x+(x+8)-(18-)=0

We add all the numbers together, and all the variables

x+2x+(x+8)-0=0

We add all the numbers together, and all the variables

3x+(x+8)=0

We get rid of parentheses

3x+x+8=0

We add all the numbers together, and all the variables

4x+8=0

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

4x=-8

x=-8/4

x=-2

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