x+1+x=3x-6

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Solution for x+1+x=3x-6 equation: 



x+1+x=3x-6

We move all terms to the left:

x+1+x-(3x-6)=0

We add all the numbers together, and all the variables

2x-(3x-6)+1=0

We get rid of parentheses

2x-3x+6+1=0

We add all the numbers together, and all the variables

-1x+7=0

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

-x=-7

x=-7/-1

x=+7

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