7x-x+18=2x+x

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Solution for 7x-x+18=2x+x equation:



7x-x+18=2x+x
We move all terms to the left:
7x-x+18-(2x+x)=0
We add all the numbers together, and all the variables
7x-x-(+3x)+18=0
We add all the numbers together, and all the variables
6x-(+3x)+18=0
We get rid of parentheses
6x-3x+18=0
We add all the numbers together, and all the variables
3x+18=0
We move all terms containing x to the left, all other terms to the right
3x=-18
x=-18/3
x=-6

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