x+(x+1)+2(x+3)=18

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Solution for x+(x+1)+2(x+3)=18 equation: 



x+(x+1)+2(x+3)=18

We move all terms to the left:

x+(x+1)+2(x+3)-(18)=0

We multiply parentheses

x+(x+1)+2x+6-18=0

We get rid of parentheses

x+x+2x+1+6-18=0

We add all the numbers together, and all the variables

4x-11=0

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

4x=11

x=11/4

x=2+3/4

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