Question

1. Subtract:
-3
(i) 2
from
-4
5
(ii)
from 3
7
7
9
(iii) -3 from -4
8
9
2. Sum of two rational numbers is
5
-2
colo
If one of them is
find the other.
7
3. What rational number should be added to
-5
to get
-72
?
11
8.
4. What rational number should be subtracted from – 4 to get -31
79 and
5. Subtract the sum of
-8
from the sum of
3
5
-
- 11
and
2
12
2
and y =
-4
6. If x =
7
(i) x - y = y - x
5
then verify that:
(ii) -(x + y) = (-x) + (-y).
- 7
7. If x =
- 2
4
9'
y =
and z =
then verify that
12
3
x - (y - z) = (x - y) – Z.
8. Which of the following statement is true/false?
2 4
-5
(1) is not a rational number.
(ii) is the additive inverse of
3 5
7
(iii) 0 is the additive inverse of its own.
(iv) Commutative property holds for subtraction of rational numbers.
(v) Associative property does not hold for subtraction of rational numbers.
(vi) O is the identity element for subtraction of rational numbers.​

Answer 1

Answer:

Answer is -4

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