solve the this
a+b=60 and a-b = 30
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Answered by
1
Answer:
a = 45 b= 15
Step-by-step explanation:
a+b=60
a=60-b. ...eq 1
a-b= 30
put a value
60-b-b=30
-2b=-30
b=15 put value in eq 1
Answered by
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Answer:
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