20=50-1/2x

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Solution for 20=50-1/2x equation: 



20=50-1/2x

We move all terms to the left:

20-(50-1/2x)=0



Domain of the equation: 2x)!=0

x!=0/1

x!=0

x∈R



We add all the numbers together, and all the variables

-(-1/2x+50)+20=0

We get rid of parentheses

1/2x-50+20=0

We multiply all the terms by the denominator


-50*2x+20*2x+1=0

Wy multiply elements

-100x+40x+1=0

We add all the numbers together, and all the variables

-60x+1=0

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

-60x=-1

x=-1/-60

x=1/60

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