21p-4=(12p+7)/(2)

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Solution for 21p-4=(12p+7)/(2) equation: 



21p-4=(12p+7)/(2)

We move all terms to the left:

21p-4-((12p+7)/(2))=0

We multiply all the terms by the denominator


21p*2)-((12p+7)-4*2)=0

We add all the numbers together, and all the variables

21p*2)-((12p+7)=0

Wy multiply elements

42p^2=0

a = 42; b = 0; c = 0;
Δ = b2-4ac
Δ = 02-4·42·0
Δ = 0
Delta is equal to zero, so there is only one solution to the equation

                              Stosujemy wzór:
$p=\frac{-b}{2a}=\frac{0}{84}=0$

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