Solve each equation below for x. Explain or justify each of your steps. Be sure to check your solutions.
Multiply both sides by
Use the same steps as (a), but distribute the negative over the parentheses.
Start by combining like terms.
Start by combining like terms
to one side by subtracting from both sides.
Isolate x by subtracting 5 from each side.
Don't forget to check your answer!
Use the same method outlined in part (a).