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7-63.

Solve for the indicated variable by rewriting each equation. Homework Help ✎

Read the Math Notes box for section 3.3.1 to review properties for solving equations.

  1. (for )

    The equation contains multiplication. To undo the multiplication divide both sides by and .

  1. (for )

    When solving an equation, use the Addition or Subtraction Property of Equality first to isolate the term with the variable. In this case you will be adding the opposite of . Then use the Multiplicative Property of Equality.

  1. (for )

    Use the Multiplicative Property of Equality and multiply both sides of the equation by .

  1.  (for )

    Add to both sides of the equation.

    Multiply both sides of the equation by .

    Divide both sides of the equation by .