question-4 please answer me
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Answered by
3
Answer:
a=9 b=21
a-(-b)=a+b
=9+21=30
a+b=9+21
=30
a-(-b)=a+b
Answered by
3
Answer:
Your 101% correct answer is 30 = 30.
Step-by-step explanation:
a-(b)=a+b
=9-(-21) = 9+21
=30 = 30
=LHS = RHS
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