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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

    Move 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).