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3x-8>0
3x>8 |: 3
x>8/3
b) 3x-8<0
3x<8 |: 3
x< 8/3
c) 3x-8>3
3x>11 |: 3
x> 11/3
d) 3x-8<6
3x<14 |: 3
x< 14/3
Chyba dobrze, pozdrawiam :)
3x>8 /:3
x> 2 2/3
b) 3x-8<0
3x<8
x< 2 2/3
c) 3x-8 >3
3x>11
x>3 2/3
d)3x-8<6 /+8
3x<14 /:3
x<4 2/3