P q r are prime numbers and r is asingle digit if pq+r=1993 find p+q+
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suppose p,q,r=x
pq+r=1993
x×x+x=1993
x^2+x=1993
x+x=44.64
2x=44.64
x=44.64/2
x=22.34
therefore p=q=r=22.34
pq+r=1993
x×x+x=1993
x^2+x=1993
x+x=44.64
2x=44.64
x=44.64/2
x=22.34
therefore p=q=r=22.34
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