x+x+45=165-18x

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Solution for x+x+45=165-18x equation: 



x+x+45=165-18x

We move all terms to the left:

x+x+45-(165-18x)=0

We add all the numbers together, and all the variables

x+x-(-18x+165)+45=0

We add all the numbers together, and all the variables

2x-(-18x+165)+45=0

We get rid of parentheses

2x+18x-165+45=0

We add all the numbers together, and all the variables

20x-120=0

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

20x=120

x=120/20

x=6

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