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+1 vote
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in Matrices by (36.2k points)
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Using matrices, solve the following system of equations : 

4x + 3y + 3z = 60; x + 2y + 3z = 45; 6x + 2y + 3z = 70

1 Answer

+1 vote
by (33.4k points)
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Best answer

The system can be written as,

AX = B

⇒ X = A-1B ...(i)

Where,

For adj A,

Now putting values in (i), we get

Hence, x = 5, y = 8, z = 8.

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