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15-01-2021
Mathematics

contestada

Find the sum or difference:

(2w - 9) + (-4w - 5)

(6d + 5) - (2 - 3d)

(4 - 5y) - (2y - 16)

Respuesta :

15-01-2021

Answer:

-2w+-14

3d+3

-7y+-16

Step-by-step explanation:

Remove ()- 2w+-9+-4w+-5

2w+-4w = -2w

-9+-5 = -14

-2w+-14

Remove ()- 6d+5+-2+-3d

6d+-3d = 3d

5+-2 = 3

3d+3

Remove ()- 4+-5y+-2y+-16

-5y+-2y = -7y

4+-16 = -12

-7y+-12

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