McGraw Hill Glencoe Algebra 1, 2012
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McGraw Hill Glencoe Algebra 1, 2012 View details
3. Properties of Numbers
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Exercise 11 Page 19

According to the order of operations, expressions inside parentheses are calculated first.
The expression simplifies to Let's name the property used in each step.
Step Action Property used
1 Subtract term Substitution
2 Substitution
3 Rewrite as Multiplicative Inverse