The point (7, 8) is the solution of which of the following systems of equations? 1. 8x – y = 48 9x

The point (7, 8) is the solution of which of the following systems of equations?

1. 8x – y = 48
9x + 10y = 142
2. 9x – y = 55
8x + 10y = 140
3. x-6y=-41
8x + 9y = 127
4. x-7y=-49
10x + 9y = 142

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