Question

a. Calcular la respuesta de: 8 + (–3)
b. Calcular la respuesta de: (–4 ) + (-8)
c. Calcular la respuesta de: 5 + (–3) – 6
d. Calcular la respuesta de: 14 + (–9) + (–9)
e. Calcular la respuesta de: – 1 – 3 – (–9) + (–5)
f. Calcular la respuesta de: 17 + (–8) + (–8)
g. Calcular la respuesta de: – 2 + (–3) + 4 – (–3) – 5
h. Calcular la respuesta de: – 5 – 15 + 4 + 15

Answer 1

Answer:

a.

Step-by-step explanation:

Rule: + , - = -

=8+(-3)

=8-3

Ans: 5

b. (-4)+(-8)

-4-8

Rule: -, - = +

Ans:=-12

Put the - sign bcz 8 is greater than 4 and have - sign....

c. 5+(-3)-6

Rule: + , - = -

=5-3-6

=2-6

Ans:=-4

put the - sign bcz 6 is greater than 2 and have - sign....

d.14+(-9) + (-9)

Rule: + , - = -

=14-9-9

=5-9

Ans:=-4

put the sign - bcz 9 is greater than 5 and have - sign...

e.-1-3-(-9)+(-5)

Rule: - , - = +. ,. + , - = -

Open the brackets first...

=-1-3+9-5

=-4+9-5

=5-5

Ans: =0

f. 17+(-8)+ (-8)

Rule: + , - = -

open the brackets first...

=17-8-8

=9-8

Ans: =1

g. -2 + (-3) +4 - (-3)-5

= -2-3+4+3-5

= -5+4+3-5

= -1+3-5

= 2-5

Ans: = -3

h. -5-15+4+15

= -20+4-15

= -16-15

Ans: = -31