if the sum of two numbers is 75 and difference of two numbers is 25 then find the number.
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Answer:
The numbers are 25 and 50
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Let the two numbers be x and y.
Given,
x+y = 75 _____(1)
x-y = 25 _____(2)
Solve equation(1) and (2), we get
x+y = 75
x-y = 25
+ + +
_______
x+x = 75+25
2x = 100
x = 100/2
x = 50
Put x=50 in equation (1)
x+y = 75 _____(1)
50+y = 75
y = 75-50
y = 25
Then the two numbers are 50 and 25
Hope it will help you.
Given,
x+y = 75 _____(1)
x-y = 25 _____(2)
Solve equation(1) and (2), we get
x+y = 75
x-y = 25
+ + +
_______
x+x = 75+25
2x = 100
x = 100/2
x = 50
Put x=50 in equation (1)
x+y = 75 _____(1)
50+y = 75
y = 75-50
y = 25
Then the two numbers are 50 and 25
Hope it will help you.
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