90-1/2x=100

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Solution for 90-1/2x=100 equation: 



90-1/2x=100

We move all terms to the left:

90-1/2x-(100)=0



Domain of the equation: 2x!=0

x!=0/2

x!=0

x∈R



We add all the numbers together, and all the variables

-1/2x-10=0

We multiply all the terms by the denominator


-10*2x-1=0

Wy multiply elements

-20x-1=0

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

-20x=1

x=1/-20

x=-1/20

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