x+2y = -1 and 5x-4y = 16
Solving the simultaneous equations gives: x = 2 and y = -1.5
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4y+2 = 2y+6 4y-2y = 6-2 2y = 4 y = 2
4y+4 = 2y+12 4y-2y = 12-4 2y = 8 y = 4
4y + 4 = 2y + 12Subtract 2y from each side of the equation:2y + 4 = 12Subtract 4 from each side:2y = 8Divide each side by 2:y = 4
4y + 4 = 2y + 12Subtract 4 from each side of the equation:4y = 2y + 8Subtract 2y from each side:2y = 8Divide each side by 2 :y = 4
(-1, 5)