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Pearson Algebra 1 Common Core, 2011 View details

3. Solving Multi-Step Equations

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Exercise 78 Page 100

Remember, only like terms can be combined.

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The first step in simplifying this expression is to identify which, if any, terms can be combined. Remember, only like terms — constant terms or terms with the same variable — can be combined. In this case, both 7y and 4y are like terms (y-terms), so they can be subtracted. 7 y-4 y=3 y