12x-18=5x+45

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Solution for 12x-18=5x+45 equation: 



12x-18=5x+45

We move all terms to the left:

12x-18-(5x+45)=0

We get rid of parentheses

12x-5x-45-18=0

We add all the numbers together, and all the variables

7x-63=0

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

7x=63

x=63/7

x=9

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