20x-12=30x+18

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Solution for 20x-12=30x+18 equation: 



20x-12=30x+18

We move all terms to the left:

20x-12-(30x+18)=0

We get rid of parentheses

20x-30x-18-12=0

We add all the numbers together, and all the variables

-10x-30=0

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

-10x=30

x=30/-10

x=-3

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