Odpowiedzi

2010-03-01T17:51:21+01:00
10a - 6 - a - 12a + 8 = 0
-3a + 2 = 0
-3a= -2
-a = - 0,66
a = o,66

2b - 1 + b = 11 - b
4b=12
b=3

3y - 2y +2 = -6
y=-8