Math

I just started learning about Matrix and I got this as a warm-up problem, but I don't know how to solve it and the examples in my textbook aren't anything like this one: [4x 3y] = [12 -1]
Please help.

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  1. Since the two matrices have the same size and they are equal, corresponding elements must be equal.
    Thus:
    4x = 12 ----> x = 3
    3y = -1 ----> y = -1/3

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  2. OHHH. I GOTCHA. THANKS

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