Solve the equation for x. state whether the equation is a contradiction, an identity, or a conditional equation 21. -5 select the correct choice below and, if necessary, fill in the answer box to complete your choice 0 a. the solution set is { o b. the solution is all real numbers. (simplify your answer. type an integer or a fraction.) o c. the solution is the empty set. 5x-10 xx +5? what type of equation is 8 o conditional o contradiction o identity