Solve the equation and check the solution. If applicable, tell whether the equation is an identity or a contradiction.

$-2x+7x-8=5(x-6)-2$

Select the correct choice below and, if necessary, fill in the answer box to complete your choice.

A$.$ The solution set is

$($Type an integer or a simplified fraction.$)$

B$.$ The solution set is $\{$all real numbers $\},$ so the equation is an identity.

C$.$ The solution set is $\frac{O}{?},$ so the equation is a contradiction.