Question

Find the Sum
a) (- 7) +(-9)+4-16
b) (-250) + (+150)
​

Answer 1

Answer:

a)4

b)-100

Step-by-step explanation:

a)

(- 7) +(-9)+4-16

= -7 - 9 + 4 + 16

Taking - common

= - ( 7 + 9 ) + ( 4 + 16 )

= - 16 + 20

= 4

b)

(-250) + (+150)

= -250 + 150

= -100

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