197k views
5 votes
The sum of two numbers is 87. the difference of two numbers is 65 what are the two numbers

User Yathavan
by
8.1k points

2 Answers

1 vote

Answer:

11, 76

Explanation:

Let the two numbers be x and y.

According to the given conditions:

x + y = 87.....(1)

x - y = 65....(2)

Adding equations (1) & (2)

x + y = 87

x - y = 65

__________

2x = 152

x = 152/2

x = 76

Plug x = 76 in equation (1)

76 + y = 87

y = 87 - 76

y = 11

Thus the two numbers are 11 and 76.

User JackoM
by
8.2k points
0 votes

Explanation:

Let the two numbers be x and y

By the question

x + y = 87 ..... equation (I)

x - y = 65 ...... equation (II)

Now adding both equations we get

2x = 152

x = 152 / 2

Therefore x = 76

Putting x = 76 in equation i

76 + y = 87

y = 87 - 76

Therefore y = 11

The two numbers are 76 and 11.

Hope it helps :)

User Mayur Sojitra
by
8.5k points

No related questions found

Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.

9.4m questions

12.2m answers

Categories