0
Anonymous
(3x-4)(x+5)
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11x + 8 = 8x + 20 3x + 8 = 20 3x = 12 x = 4
That's an equation where x = 5
13x + 15 = 11x - 5 2x = -20 x = -10
11x = 20x +1811x-20x=18x(11-20)=18-9x=18x=-2
It is B, 0.