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Solve the following vector equations mathematically:

a) a + b

b) c- d

c) 2a -1/2b

d) a + c +b

Given:

a = 10m[R]

b = 20m[L]

c = 10m

d = 5m[D]

Solution:

a) 10m [R] - 20m [L] = 10m [L]

b) 10m - 5m [D] = 5m

c) 20m [R] - 10m [L] = 10m [R]

d) a + c +b

= 10m[R] + 10m +{-20m [L]}

= ?

Are my answers correct and how do you solve question d.

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# Homework Help: Vectors and scalars question

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