Solve the following linear equation. Identify the equation as an$$ identity, contradiction, or conditional equation $9($ x $+4)=9$ x $+4.$ Question content area bottom Part $1$ Select the correct choice below$$ and, if$$ necessary, fill in the answer box to complete your choice. A$.$ The solution set is $\{$ enter your response here$\}.($Type an integer or a simplified$$ fraction.$)$ B$.$ The solution is all real numbers. C$.$ The solution is the empty set. Your answer is correct. Part $2$ State whether the equation is an$$ identity, contradiction, or conditional equation. Identity Contradiction Conditional equation