x+3x+2x=45+x

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Solution for x+3x+2x=45+x equation: 



x+3x+2x=45+x

We move all terms to the left:

x+3x+2x-(45+x)=0

We add all the numbers together, and all the variables

x+3x+2x-(x+45)=0

We add all the numbers together, and all the variables

6x-(x+45)=0

We get rid of parentheses

6x-x-45=0

We add all the numbers together, and all the variables

5x-45=0

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

5x=45

x=45/5

x=9

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