Răspuns :
x - y = 77
x : y = 2 rest 25
x - y = 77
x = 2y + 25
2y + 25 - y = 77
y = 77 - 25
y = 52
x = 2 * 52 + 25
x = 129
x : y = 2 rest 25
x - y = 77
x = 2y + 25
2y + 25 - y = 77
y = 77 - 25
y = 52
x = 2 * 52 + 25
x = 129
a-b=77 (prima ecuatie)
a/b=2 rest 25 (a doua ecuatie)
a=77+b
a=2b+25
77+b=2b+25
77-25=b
b=52
a=77+52=129
a/b=2 rest 25 (a doua ecuatie)
a=77+b
a=2b+25
77+b=2b+25
77-25=b
b=52
a=77+52=129