Question

Defina as igualdades nos pares ordenados abaixo:
a) (a, b) = (b, a)
b) (b, c) = (d, 7)
c) (f, g) = (5, i)
D) (a,b)=(8,9)​

Answer 1

$\boxed{\begin{array}{l}\tt a)~\begin{cases}\sf a=b\\\sf b=a\end{cases}\\\tt b)~\begin{cases}\sf b=d\\\sf c=7\end{cases}\\\tt c)~\begin{cases}\sf f=5\\\sf g=i\end{cases}\\\tt d)~\begin{cases}\sf a=8\\\sf b=9\end{cases}\end{array}}\blue{\checkmark}$