21p-4=12p+7/2

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


p in (-oo:+oo)

21*p-4 = 12*p+7/2 // - 12*p+7/2

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

21*p-12*p-7/2-4 = 0

9*p-15/2 = 0 // + 15/2

9*p = 15/2 // : 9

p = 15/2/9

p = 5/6

p = 5/6

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