Thee sum of two naturaal no is 20 wheraas diffrence is 4.What is then number
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let d no.s b x and y
A.T.Q
x+y=20. ___(1)
x-y=4. ___(2)
adding (1) nd (2)
x+y+x-y=20+4
2x=24
x=12
from(1)
12+y=20
y=20-12
y=8
so two natural no.s are 8 and 12
A.T.Q
x+y=20. ___(1)
x-y=4. ___(2)
adding (1) nd (2)
x+y+x-y=20+4
2x=24
x=12
from(1)
12+y=20
y=20-12
y=8
so two natural no.s are 8 and 12
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