Question

Considerando U = {0, 1, 2}, determine o conjunto solução da equação x + 1 = 1.

a) 0

b) 1

c) 2

Answer 1

$\Large\boxed{\begin{array}{l}\sf x+1=1\\\sf x=1-1\\\sf x=0\\\huge\boxed{\boxed{\boxed{\boxed{\sf\red{\maltese}\blue{~alternativa~a}}}}}\end{array}}$