18x+9=-1+20x

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



18x+9=-1+20x

We move all terms to the left:

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

We add all the numbers together, and all the variables

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

We get rid of parentheses

18x-20x+1+9=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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