Posted by **Kathy** on Wednesday, February 13, 2013 at 11:18am.

Could you please help me with this exercise? Thanks.

Adding and substracting vectors

Solve for the unknown variables:

(a) (a, b) + (3, 0) = (6, 7)

(b) (11, c) + (d, 5) = (-12, −3)

(c) (5, 5) + (e, 4) = (2, f)

(d) (-1, −3) − (5, g) = (h, 2)

- Physics (vectors) -
**Reiny**, Wednesday, February 13, 2013 at 11:47am
I'll do one of them, they are all the same and very easy

b) (11,c) + (d,5) = (-12,-3)

(11+d , c+5 ) = (-12,-3

so 11+d = -12

d = -23

and c+5 = -3

c = -8

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