20x-9=4x+15

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Solution for 20x-9=4x+15 equation: 



20x-9=4x+15

We move all terms to the left:

20x-9-(4x+15)=0

We get rid of parentheses

20x-4x-15-9=0

We add all the numbers together, and all the variables

16x-24=0

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

16x=24

x=24/16

x=1+1/2

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