Răspuns :
a-b=158
a:b-18 r5 -> a=18b+5
Inlocuim in prima relatie.
18b+5-b=158 |-5
17b=153 |:17
b=9
a=18*9+5
a=162+5
a=167
a:b-18 r5 -> a=18b+5
Inlocuim in prima relatie.
18b+5-b=158 |-5
17b=153 |:17
b=9
a=18*9+5
a=162+5
a=167
a - b = 158
a : b = 18 rest 5 => a = 18 x b +5
Inlocuim :
18b +5 -b = 158 | -5
17b = 153 | :17
b = 9
a - 9 = 158 => a = 158 +9 => a = 167
a : b = 18 rest 5 => a = 18 x b +5
Inlocuim :
18b +5 -b = 158 | -5
17b = 153 | :17
b = 9
a - 9 = 158 => a = 158 +9 => a = 167