0
Anonymous
5x - 2x = -5 - 1 ie 3x = -6 so x = -2
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5x - y + 1 = 0
Multiply the bottom equation by -1
Factored, that's 4(5x + 1)(5x + 1) or 4(5x + 1)2 If the whole thing equals zero, x = -1/5
0 because X= -1
(1, 1)