Advertisements
Advertisements
Question
Verify a − (−b) = a + b for the following values of a and b. a = 21, b = 18
Advertisements
Solution
a = 21, b = 18
a − (−b) = 21 − (−18) = 21 + 18 = 39
a + b = 21 + 18 = 39
∴ a − (−b) = a + b = 39
APPEARS IN
RELATED QUESTIONS
Write the number in the following example using the proper signs.
A kite is flying at a distance of 120 metres from the ground.
Find the value of: |−36|
Divide: –121 by 11
Write (T) for true and (F) for false for the following statement:
15 ÷ (−1) = −15
The sum of two integers is 20. If one of them is −5 then the other is
Evaluate: (−36) ÷ 6
Evaluate: 8 × (–5)
Evaluate: (–30) – 15
Write 'T' for true and 'F' for false for the following:
0 is neither positive nor negative.
Represent the following numbers as integers with appropriate signs.
An aeroplane is flying at the height of two thousand metres above the ground.
