please urget...
please solve
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0
Answer:
-1
Step-by-step explanation:
plz mark me as brainliest
Answered by
0
Answer:
7)-a-b
8)-1
Step-by-step explanation:
7) P=2a-3b
Q=3a-2b
P-Q=(2a-3b)-(3a-2b)
2a-3b-3a+2b
-a-b
8)-1
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