If the following system of equations was written as a matrix equation in the form AX = C, and matrix A was expressed in the form [a c b d], find the value of a - b + c + d.

5x + 7y = 7

3x - 2y = 9

My main problem is understanding which numbers are a, b, c, and d.

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24 January, 19:43

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Nelson Walsh · Answer 1

That's what I came up with. Still not sure of my answer.

If the following system of equations was written as a matrix equation in the form AX = C, and matrix A was expressed in the form [a c b d], find the value of a - b + c + d.5x + 7y = 73x - 2y = 9My main problem is understanding which numbers are a, b, c, and d.