Question

descubra dois numeros inteiros que somados dao 88 sabendo que um numero e igual ao triplo da outra

Answer 1

A+B=88 A+3A=88 4A=88 A=88÷4 A=22 B=66

Answer 2

$\left \{ {{x+y=88} \atop {x=3y}} \right. \\\\Substitui~x:\\\\3y+y=88\\\\4y=88\\\\y=88\div4\\\\y=22\\\\\\\\x=3y\\\\x=3*22\\\\x=66\\\\\\S=\{22,66\}$