The sum of two numbers is 8, and their difference is 6. What are the two numbers?
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Answer:
let , 1st number=x
2nd number=y
A.T.Q.
we have,
x+y=8 and x-y =6
by using elimination method, we have
x+y=8
x-y=6
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2x=14
x=14/2
x=7
now, putting x=7 in x+y=8
7+y=8
y=8-7=1
and,so 1st number=8
2nd number=6
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