20x-9=10x+9

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Solution for 20x-9=10x+9 equation: 



20x-9=10x+9

We move all terms to the left:

20x-9-(10x+9)=0

We get rid of parentheses

20x-10x-9-9=0

We add all the numbers together, and all the variables

10x-18=0

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

10x=18

x=18/10

x=1+4/5

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