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It is -8*p*q or -8pq.
Let the two numbers be P and Q. So P+Q = 34. P-Q = 18. Add these two equations together:2P = 52. --> P = 26. Substitute into one of the original equations: P+Q=34 --> Q=34-26=8. The numbers are 26 and 8. Check to make sure: 26+8=34. 26-8=18
The sum of p and q means (p+q). The difference of p and q means (p-q).
-0.8 is a rational number because it can represented in the form of p/q (where p and q are integers).-0.8 in the form of p/q: -8/10 or -16/20 or -80/100 etc.
1)p->q 2)not p or q 3)p 4)not p and p or q 5)contrudiction or q 6)q