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Pearson Algebra 1 Common Core, 2011 View details

3. Solving Multi-Step Equations

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Exercise 79 Page 100

Remember, only like terms can be combined.

-3y

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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 4y and 7y are like terms (y-terms), so they can be subtracted. 4 y-7 y=-3 y