giv the answer
fast plz
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Answered by
8
Answer:
1. 5×9 - 7×3
= 45 - 21
= 24
2. X = Dx/D
= -14/14
= -1
Answered by
4
Answer:
24 & -1
Step-by-step explanation:
the scientific study of the structure of substances and what happens to them in different conditions or when mixed with each other
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