Răspuns :
56/10-(24n+1)/5=42/10
(56-2x24n-2x1)/10=42/10
54-48n=42
-48n=42-54
-48N= - 12
N=12/48
N=0,25
12:48=0,25
0
120
..96
.. 240
... 240
...===
(56-2x24n-2x1)/10=42/10
54-48n=42
-48n=42-54
-48N= - 12
N=12/48
N=0,25
12:48=0,25
0
120
..96
.. 240
... 240
...===
(n x 24+1) : 5= 5,6-4,2
(n x24+1):5 = 1,4
n x 24 +1 = 1, 4 x 5
n x 24 +1 = 7
n x 24 = 7 - 1
n x 24 = 6
n = 6 :24
n = 0,25