-32 = -3 + 7x + 3(x – 2)
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Evaluate the discriminant of each equation. tell how many solutions each equation has and whether the solutions are real or imaginary. 4x^2 + 20x + 25 = 0

2x minus y equals 6, x plus y equals negative 3

Assume that y varies inversely with x. if y=1.6 when x=0.5 find x when y=3.2