Question

examine wheater (-2) a solution of 2x+5=5?​

Answer 1

Answer:

$f( - 2) = 2x + 5 = 5 \\ put \: x = - 2 \\ 2 \times - 2 + 5 = 5 \\ - 4 + 5 = 5 \\ 1 = 5 \\ \\ so \: given \: equation \: is \: wrong \: because$

RHS not equal to LHS

Answer 2

Answer-

=2x+5=5

=2=5-5

=X=0