211247Adi 211247Adi

20-12-2020
Mathematics

contestada

find the sum and difference of the following expressions a-b and b-a

Respuesta :

sqdancefan sqdancefan

20-12-2020

9514 1404 393

Answer:

sum: 0
difference: 2a -2b

Step-by-step explanation:

Sum

(a -b) +(b -a) = a - a + b - b = 0

Difference

(a -b) -(b -a) = a +a -b -b = 2a -2b

Answer Link

nikitab126 nikitab126

20-12-2020

Answer:

free points

Step-by-step explanation:

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Answer Link

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