Question

(-50) + (-40) - 30 - ( -20)
AND
-499 - (-500)

Answer 1

1) (-50)+(-40)-30-(-20)

= -50-40-30+20

= -120+20

= -100 .

2) -499-(-500)

= -499+500

= 1

Hope it's helpful to you.

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Answer 2

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