Question

. Simplify
(a) - 50 + 20 - 30 + 40
(b) - 5 + 7 -5 + 2-5
(c) 4+ (-5) + (-7)
(d) 16 + (-17) + 20​

Answer 1

Answer:

Simplify

$a) \: - 50 + 20 - 30 + 40 \\ = (- 80) + 60 \\ = ( - 20)ans \\ b) - 5 + 7 - 5 + 2 - 5 \\ = ( - 15) + 9 \\ = ( - 6) \: ans \\ c)4 + ( - 5) + ( - 7) \\ = 4 - 12 \\ = ( - 8) \: ans \\ d)16 + ( - 17) + 20 \\ = 36 + ( - 17) \\ = 36 - 17 \\ = 19 \: ans$

Answer 2

Step-by-step explanation:

a) -50-30+20+40

   -80+60

   -20ans

b)-5-5-5+7+2

  -15+9

  -6 ans

c)4-5-7

  4-12

 -8 ans

d)16-17+20

  16+3

   19ans