3. 21 - 12 =4-3(-7)
Answers
Answered by
1
Answer:
your answer is NO
Step-by-step explanation:
21-12=4-3(-7)
9=1(-7)
9= -6
NO
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Answered by
0
Answer:
Step-by-step explanation:
9=1(-7)
9=(-7)
hence, not proof
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