20x-1=18x+9

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Solution for 20x-1=18x+9 equation: 



20x-1=18x+9

We move all terms to the left:

20x-1-(18x+9)=0

We get rid of parentheses

20x-18x-9-1=0

We add all the numbers together, and all the variables

2x-10=0

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

2x=10

x=10/2

x=5

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