Solve the equation.
Final Answer: The solution to the equation is
Step 1 :Distribute the 7 on the left side of the equation to get
Step 2 :Simplify the right side of the equation to get
Step 3 :Set the two expressions equal to each other:
Step 4 :Combine like terms to get the simplified equation
Step 5 :Substitute
Step 6 :Final Answer: The solution to the equation is