if a+b=9 and a-b=5 please answer
Answers
Answered by
2
Answer:
a=4
Step-by-step explanation:
a+b=9
a=9-b
a=9-5
a=4
Answered by
3
A =5
step by step explanations:
a+b=9
b=9-a
b=9-5
b=4
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