x2 + 2x - 13 = 2
x2 + 2x - 15 = 0
(x + 5)(x - 3) = 0
x + 5 = 0 and x - 3 = 0
so x = -5 and x = 3
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2x + 7 = 1 Therefore, 2x = -6 x = -6/2 x = -3
3x-2 = 2x+3 3x-2x = 3+2 x = 5
x=1
by not concentrating on picking your nose when you are in class all day long
2x = -7 - 8y