Rozwiąż równania : 1/3x * 2 = x + 2 1-6/7 x =4/7 6(1/4x-2) =18

1/3x * 2 = x + 2 2/3x= x+2 |*3 2x=x+2 |-x x=2 1-6/7x =4/7 |*7 7-6x=4|-7 -6x=-3 |:(-6) x=1/2 6(1/4x-2) =18 |:6 1/4x-2= 3 |*4 x-8=12 |+8 x=20

1/3x * 2 = x + 2 2/3x = x +2 | -x -1/3x = 2 | : (- 1/3) x = -6 1-6/7 x =4/7 |+6/7x 1 = 4/7 + 6/7x |-4/7 3/7 = 6/7x |:6/7 1/2 = x 6(1/4x-2) =18 1 1/2x - 12 = 18 |+12 1 1/2x = 30|: 1 1/2 x = 20

1/3x * 2 = x + 2 /*3 1x *6 =3x+6 6x-3x=6 3x=6/:3 x=2 1-6/7 x =4/7 *7 1-6x=4*7 1-6x=28 -6x=28-1 -6x=27/;-6 x=4,5 6(1/4x-2) =18 |:6 1/4x-2= 3 |*4 x-8=12 |+8 x=20