20 + 7x
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7(x - 1)(x + 3)
-x - 2 + 15x = 14x - 2 = 2(7x - 1)
7x + 1 = 20 7x = 19 x = 19/7 x = 2.714285 recurring (that is, 2.714285714285..)
Dividing all terms by 2 gives: 6x2+7x+2 = (2x+1)(3x+2) when factored
7x/4 = 1/8 (7x/4) x (8) = (1/8) x (8) 14x = 1 x = 1/14