Question

solve p=-3 upon 2 , q=4 upon5 and r=-7 upon 12 then (p÷q)÷ris not equal to p÷(q÷r)

Answer 1

p = -3/2
q =4/5
x=-7/12
LHS
(p/q)/r
(-3/2/4/5)/-7/12
(-15/8)/-7/12
-45/-14 = 45/14

RHS = p/(q/r)
-3/2(4/5/-7/12)
-3/2(48/-35)
35/32

proof LHS is not equal to RHS
45/14 is not equal to 35/32
(p/q)/r is not equal to p(q/r)

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