20x-+10x+9=90

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Solution for 20x-+10x+9=90 equation: 



20x-+10x+9=90

We move all terms to the left:

20x-+10x+9-(90)=0

determiningTheFunctionDomain
20x+10x+9-90-=0

We add all the numbers together, and all the variables

30x=0

x=0/30

x=0

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