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16x2 + 32x - 65 = 0 factorises (4x + 13)(4x - 5) This makes x either -13/4 or 5/4.
x4/(5*4)/32x 4x/(20)/32x (x/5)/32x x/160x 1/160
5
4x - 3 = 2x + 54x - 2x = 5 + 32x = 8x = 8/2x = 4To check:4(4) - 3 = 132(4) + 5 = 13
4X - 1 = 9 Is an equation. 4X - 1 = 9 4X = 10 X = 5/2 =====