Odpowiedź:
a)
2(2 - 3x) = 2 - 4x
4 - 6x = 2 - 4x
2 = 2x
1 = x
L: 2(2 - 3x) = 2(2 - 3 * 1) = -2
P: 2 - 4x = 2- 4 *1 = -2
L = P
b)
(2x - 1) + (1 - 2x) = x
2x - 1 + 1 - 2x = x
0 = x
L: (2x - 1) + (1 - 2x) =(2 * 0 - 1) + (1 - 2* 0) = - 1 + 1 = 0
P: x = 0
L = P
