Answer:

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Verified answer

Step-by-step explanation:

a) -84p-12q= -84p=12q = -p/q=12/84= 1/7

So,p/q=-1/7

b)19x²+57x=19x(x+3)=0

x+3=0 so,x=-3

e)27xy(xy-3)=0

so,xy=3

h)abc(bc+ab+1)=0

So,bc+ab+1=0

I)82-24pq=82=24pq

pq= 82/24=41/12

so,pq=41/12

k)7(p-q)[6(p-q)+1]=0

6(p-q)+1=0

6p-6q+1=0