Question

The sum of two number is 15 and thier difference is 7. Find the number.​

Answer 1

Answer:

Given sum of two numbers is 15 and their difference is 7.

Let the numbers be a,b.

Then according to the problem,

a+b=15 and a−b=7.

Solving from the above equations we get a=

2

15+7

=11 and b=

2

15−7

=4.

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