Odpowiedzi

2010-04-14T12:21:33+02:00
A)
2x-(-4-3x)=2x+4+3x=5x+4
b)
10-2(t+1)=10-2t-2=8-2t
c)
-3(2y+1/3)+4y=-6y-1+4y= -2y-1
4 4 4
2010-04-14T12:22:35+02:00
A) 2x-(-4-3x)=2x+4+3x=5x+4
b)10-2(t+1)=10-2t-2=-2t+8
c)-3(2y+1/3)+4y=-6y-1+4y=-2y-1
2 3 2
2010-04-14T12:23:34+02:00
A) 2x - (-4 - 3x) = 2x + 4 + 3x = 5x + 4
b) 10 - 2(t + 1) = 10 - 2t - 2 = 8 - 2t
c) -3(2y + 1/3) + 4y = -6y - 1 + 4y = -2y - 1
2 5 2