Odpowiedzi

2010-01-03T09:10:56+01:00
A)5x-(4x-3)<6x-7
5x-4x+3<6x-7
x-6x<-7-3
-5x<-10/:(-5)
x>2

b)2 (4x-5)>3x+(10-5x)
8x-10>3x+10-5x
8x-3x+5x>10+10
10x>20/:10
x>2
2010-01-03T10:04:31+01:00
A)
5x-(4x-3)<6x-7
5x - 4x + 3 < 6x - 7
x - 6x < - 7 - 3
-5x < -10 / :(-5)
x > 2

b)
2 (4x - 5) > 3x + (10-5x)
8x - 10 > 3x + 10 - 5x
8x - 3x +5x > 10 + 10
10x > 20 / :10
x > 2
2010-01-03T12:24:40+01:00
A)
5x-(4x-3)<6x-7
5x - 4x + 3 < 6x - 7
x - 6x < - 7 - 3
-5x < -10 / :(-5)
x > 2

b)
2 (4x - 5) > 3x + (10-5x)
8x - 10 > 3x + 10 - 5x
8x - 3x +5x > 10 + 10
10x > 20 / :10
x > 2