Replace x with the given x value in the solution to see if it equals the Y value given in the solution:
3x - 4y = -5
3(1) - 4(2) =
3 - 8 = -5
True.
y = 4x-2
y = 4(1) - 2
y = 4-2
y = 2
Yes (1,2) is a solution.
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