Today we deal with groupings. It is not uncommon for the mathematically challenged to be confused when parenthesis are put on some terms of an equation. The key to solving your problem is to deal with the operations inside the parenthesis first. A good acrostic to remember is PMDAS - Parethesis, Multiply, Divide, Add, Subtract telling us what operations to do first. Below is the first installment of solutions to Exercise 3 of College Algebra by William Hart.
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