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

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asked Mar 7, 2021 101k views

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

Mathematics
college

Tommy Yu asked

by Tommy Yu

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2 Answers

2 votes

Answer:

free points

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sry i really need points i have like 50

Msangel answered Mar 8, 2021

by Msangel

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7 votes

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Answer:

sum: 0
difference: 2a -2b

Explanation:

Sum

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

Difference

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

Almeynman answered Mar 13, 2021

by Almeynman

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