20x-9=10x+8+90

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Solution for 20x-9=10x+8+90 equation: 



20x-9=10x+8+90

We move all terms to the left:

20x-9-(10x+8+90)=0

We add all the numbers together, and all the variables

20x-(10x+98)-9=0

We get rid of parentheses

20x-10x-98-9=0

We add all the numbers together, and all the variables

10x-107=0

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

10x=107

x=107/10

x=10+7/10

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