20+1/2x=120

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Solution for 20+1/2x=120 equation: 



20+1/2x=120

We move all terms to the left:

20+1/2x-(120)=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-100=0

We multiply all the terms by the denominator


-100*2x+1=0

Wy multiply elements

-200x+1=0

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

-200x=-1

x=-1/-200

x=1/200

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