18x-72=9x-45

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Solution for 18x-72=9x-45 equation: 



18x-72=9x-45

We move all terms to the left:

18x-72-(9x-45)=0

We get rid of parentheses

18x-9x+45-72=0

We add all the numbers together, and all the variables

9x-27=0

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

9x=27

x=27/9

x=3

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