Rozwiąż równanie a) 2x+jedna trzecia=1 dwie trzecie -2x b) jedna druga -3x=6,5+jedna druga x

2x + 1/3 = 1 2/3 - 2x 2x + 2x = 1 2/3 - 1/3 4x = 1 1/3   /:4 x = 4/3 * 1/4 x = 1/3 b) 1/2 - 3x = 6 1/2 + 1/2x -3x - 1/2x = 6 1/2 - 1/2 - 3 1/2x = 6  /: -3 1/2 x = 6/1 * (-2/7) x = - 12/7 x = - 1 5/7

2x + 1/3 = 1 2/3 - 2x 2x + 2x = 5/3 - 1/3 4x = 4/3    /:4 x = 4/3 * 1/4 x = 1/3 1/2 - 3x = 6,5 + 1/2x -3x - 0,5x = 6,5 - 0,5 -3,5x = 6    /:(-3,5 x = 6 * (-10/35) x = - 60/35 = - 1 25/35 x = - 1 5/7