0
Anonymous
x = 5, y = -1
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3x-11 for x=9
3x + 9 = 42 3x = 33 x = 11
2x + 3 + 3x = x + 11 5x + 3 = x + 11 4x + 3 = 11 4x = 8 x = (8/4) x = 2
(0,7)
7