Advertisements
Advertisements
Question
Check the following for equality
(11 + 7) + 10 and 11 + (7 + 10)
Advertisements
Solution
L.H.S = (11 + 7) + 10
= 18 + 10
= 28
R.H.S = 11 + (7 + 10)
= 11 + (17)
= 28
L.H.S = R.H.S
∴ (11 + 7) + 10 = 11 + (7 + 10)
APPEARS IN
RELATED QUESTIONS
Write down the pair of integers whose difference is −10.
Write a negative integer and a positive integer whose sum is −5.
Fill in the blank to make the following statement true:
−53 + ______ = −53
Fill in the blank to make the following statement true:
[13 + (−12)] + (______) = 13 + [(−12) + (−7)]
Identify the problem with negative numbers as its answer:
When Kala woke up, her body temperature was 102°F. She took medicine for fever. After 2 hours it was 2°F lower. What was her temperature then?
A student was asked to subtract (−12) from −47. He got −30. Is he correct? Justify.
(–5) – (–18) = _____
Find the value of (−25) + 60 + (−95) + (−385)
(–a) + b = b + Additive inverse of ______.
