Sum of two numbers is 15 , their difference is
7 What are the numbens ?
Let the numbers be x, y
sum is 15
x+y=?
difference =?
x-y=?
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5
Answer:
I have mentioned the answer in the pic...
hope it helps..
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Answered by
1
Answer:
let the numbers be x and y
x+y =15...(i)
x-y=7...(ii)
adding (i) and (ii)
we get x=22
and putting the value of xin equation (i)
x+y=15
22+y=15
y=15-22
y=-7
hope this helps you.
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