Răspuns :
a+b=196
a=3b+32
*inlocuim*
3b+b+32=196
4b=196-32
4b=164
b=164:4 (164/4)
b=41
=> a=3*41+32
a=123+32
a=155
Verificare(optional) : 155+41=196 :)
a=3b+32
*inlocuim*
3b+b+32=196
4b=196-32
4b=164
b=164:4 (164/4)
b=41
=> a=3*41+32
a=123+32
a=155
Verificare(optional) : 155+41=196 :)
x+y=196
x=3y+32
3y+32+y=196
4y=196-32
4y=196-32
4y=164
y=160/4
y=41 => x=3*41+32
x=123+32
x=155
x=3y+32
3y+32+y=196
4y=196-32
4y=196-32
4y=164
y=160/4
y=41 => x=3*41+32
x=123+32
x=155