Q=20-1/2p

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Solution for Q=20-1/2p equation: 



=20-1/2Q

We move all terms to the left:

-(20-1/2Q)=0



Domain of the equation: 2Q)!=0

Q!=0/1

Q!=0

Q∈R



We add all the numbers together, and all the variables

-(-1/2Q+20)=0

We get rid of parentheses

1/2Q-20=0

We multiply all the terms by the denominator


-20*2Q+1=0

Wy multiply elements

-40Q+1=0

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

-40Q=-1

Q=-1/-40

Q=1/40

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