Odpowiedź:
3 * x + 2 = -19
3x = -19 - 2 /:3
x = -21/3 = -7
spr.
L = 3 * (-7) + 2 = -21 + 2 = -19
P =m-19
L = P
6 * c - 10 = 14
6c = 14 + 10 /:6
c = 24/6 = 4
spr.
L = 6 * 4 - 10 = 24 - 10 = 14
P = 14
L = P
8 * x + 3 = 43
8x = 43 - 3 /:8
x = 40/8 = 5
spr.
L = 8 * 5 + 3 = 40 + 3 = 43
P = 43
L = P
Szczegółowe wyjaśnienie:
