The sum of two number is 25 and their difference is 15.The numbers are
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Let the two numbers be x and y
case 1
x+y=25-----1
case2
x-y=15-------2
FROM 1 AND 2
x+y=25. (solving by elimination method)
x-y=15
2x=40
x=20
Now , substituting x value in equation 2
x-y=15
20-y=15
-y=15-20
-y=-5
y=5
Therefore the two numbers are 20 and 5
case 1
x+y=25-----1
case2
x-y=15-------2
FROM 1 AND 2
x+y=25. (solving by elimination method)
x-y=15
2x=40
x=20
Now , substituting x value in equation 2
x-y=15
20-y=15
-y=15-20
-y=-5
y=5
Therefore the two numbers are 20 and 5
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