a) 2x+1 = x+3 b) 2x+13 = 5x+1 c) 2x+3 = 1x+5 PLS NA JUTRO

a) 2x +1 = x+3 2x - x = 3 - 1 x = 2 b) 2x + 13 = 5x +1  2x - 5x = 1 - 13 -3x = -12 / : (-1) 3x = 12 / : 3 x = 4 c) 2x +3 = 1x +5 2x -1x = 5 - 3 x = 2 Proszę :) Liczę na naj ;)