Răspuns :
x + y = 252
x = 3y + 4
3y + 4 + y = 252
4y + 4 = 252
4y = 252 - 4 = 248
y = 248 :4 = 62
x = 3· 62 + 4 = 190
x = 3y + 4
3y + 4 + y = 252
4y + 4 = 252
4y = 252 - 4 = 248
y = 248 :4 = 62
x = 3· 62 + 4 = 190
(a+b)=252 a:b=3r4 a=b*3+4 (b*3+4+b)=252 (3b+4+b)=252 (4b+4)=252
4b=252-4 4b=248 b=248:4 b=62 a=b*3+4 a=62*3+4 a=186+4 a=190
4b=252-4 4b=248 b=248:4 b=62 a=b*3+4 a=62*3+4 a=186+4 a=190