Given matrix y = [4 8 - 3 - 6] and matrix z=[-1 - 2 7 2]. What is matrix x if 1/2 (x+z) = y?

Question

Iris Simon

Mathematics

30 April, 01:31

Given matrix y = [4 8 - 3 - 6] and matrix z=[-1 - 2 7 2]. What is matrix x if 1/2 (x+z) = y?

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Answers (1)

Know the Answer?

Sean Barrett · Answer 1

x = [-6 - 12 17 10]

Step-by-step explanation:

1/2 (x+z) = y

1/2 (x + [4 8 - 3 - 6]) = [-1 - 2 7 2]

1/2x + 1/2[4 8 - 3 - 6] = [-1 - 2 7 2]

1/2x + [2 4 - 1.5 - 3] = [-1 - 2 7 2]

1/2x = [-1 - 2 7 2] - [2 4 - 1.5 - 3]

1/2x = [-3 - 6 8.5 5]

x = 2[-3 - 6 8.5 5]

x = [-6 - 12 17 10]