Question

the sum of two number is 70 and the difference between them is 50 find the numbers​

Answer 1

Answer:

numbers are 60 and 10..........

Answer 2

Answer:

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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