3(2-x) -3x +1= 4+2x
3(2-x) -3x +1= 4+2x
3(2-x) -3x +1= 4+2x 6-3x-3x+1 = 4+2x -3x-3x-2x = 4-6-1 -8x = -3 x = 3/8 = 0,375
3(2-x) -3x +1 = 4 + 2x /-1 3(2-x) -3x = 3 + 2x /-2x 3(2-x) -5x = 3 3 × 2 + 3 × -x -5x = 3 6 -8x = 3 /-6 -8x = -3 /×(-1) 8x = 3 /:8 x = ⅜ x = 0,375 tak powinno być