(X + 1)/7 =5/(x - 1)
ok so(x+1)/7 = 5/(x-1)5(x+1)/7 = 35/7(x-1)5x+5/35 = 35/7x-75/35 = 35/2x - 77 = 35/2x-714x - 49 = 3514x = 84x = 6