19x-(3x-4)=4(5x-1)

19x - (3x - 4) = 4(5x - 1) 19x - 3x + 4 = 20x - 4 16x + 4 = 20x - 4 16x + 4 = 20x - 4 16x + 4 + 4 = 20x - 4 + 4 16x + 8 = 20x 8 = 4x x = 2