18x-9=20x-30

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Solution for 18x-9=20x-30 equation: 



18x-9=20x-30

We move all terms to the left:

18x-9-(20x-30)=0

We get rid of parentheses

18x-20x+30-9=0

We add all the numbers together, and all the variables

-2x+21=0

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

-2x=-21

x=-21/-2

x=10+1/2

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