Question

a number is 21 less than the other find the number if their sum is 29​

Answer 1

Answer:

Let the numbers be a & b and a>b

a - b = 21

a + b = 29

Subtract equation 1 from 2:

a + a + b - b = 21 + 29

2a = 50

a = 25

b = 29 - a = 29 - 25 = 4

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Answer 2

Answer:

one number is 25 other is 4

Step-by-step explanation:

since the number is 21 less than the other

x - y =21 ..... (1)

and x + y = 29.....(2)

adding them we get :

2x=50

x=25  therefore y=25 - 21 from .....(1)

y=4

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