5 3x 1 3x 21 2 3 7 3x July 8, 2019 16 32 64 128 5 x 7 = 35 1) 3x + (5x - 2) = 3 - 2x 4(5x-1)-21x =1-3x 2) 7 - 11x 9x - 2(5x + 7) 6-x 2(1-4x)-3(1-3x) 1) (3x + 5)/(2x - 1) + (7x + 3)/(1 - 2x) = - 2
