Question

1. Evaluate :
a) -6+(-3)
b) 0+ 15
c) 35+ [(-25) + (-10)
d) [1 + (-2)]+[(-3)+4]
e) 0+ [2-(-2)]​

Answer 1

question:-

1. 6+(-3)
2. 0+ 15
3. 35+ [(-25) + (-10)
4. [1 + (-2)]+[(-3)+4]
5. 0+ [2-(-2)]

answer:-

1.

$= - 6 + ( - 3)$

$= - 6 - 3$

$= - 9$

2.

$= 0 + 15 = 15$

3.

$= 35 - (35) = 0$

4.

$= 1 - 1 = 0$

5.

$= 0 + 4 = 4$

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Answer 2

Answer:

important terms :-

• (+) × (-) = (-)
• (-) + (+) = (-)
• (-) × (-) = (+)

______________________________

a) - 6 + (-3)

= -6 - 3

= -9 .

b) 0 + 15

= 15 .

c) 35 + [(-25)+(-10)

= 35 + (-35)

= 35 - 35

= 0 .

d) [1 + (-2)] + [(-3) + 4 ]

= (-1) + (1)

= 0 .

e) 0 + [2-(-2) ]

= 0 + (2+2)

= 0 + 4

= 4 .