Răspuns :
a + b = 1240
a + 24 = bx3 => a= bx3 - 24
4b - 24 = 1240
4b = 1240 - 24
4b = 1216
b= 304
a+b = 1240
a + 304 = 1240 => a = 1240 - 304
a= 936
a + 24 = bx3 => a= bx3 - 24
4b - 24 = 1240
4b = 1240 - 24
4b = 1216
b= 304
a+b = 1240
a + 304 = 1240 => a = 1240 - 304
a= 936