the sum of two number is 70 and the difference between them is 50 find the numbers
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numbers are 60 and 10..........
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Let us assume the numbers as x,y
Given that sum of 2 numbers = 70
ie. x+y = 70 ------(1)
Difference between the numbers = 50
ie. x-y = 50 -------(2)
Equating both the equations (1) & (2)
ie. eq.(1) + eq.(2)
x+y = 70
x-y = 50
__________
2x = 120
=>> x = 120/2 = 60
=>> x = 60
Substituting value x = 60 in equation(1)
=>> 60 + y = 70
=>> y = 70-60
=>> y = 10
Hence the numbers are 10 & 60
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