18x-45=12x+21

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Solution for 18x-45=12x+21 equation:



18x-45=12x+21
We move all terms to the left:
18x-45-(12x+21)=0
We get rid of parentheses
18x-12x-21-45=0
We add all the numbers together, and all the variables
6x-66=0
We move all terms containing x to the left, all other terms to the right
6x=66
x=66/6
x=11

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