| Glencoe Resources |
[Home] |
Try these "Brainpops" and quizzes from Glencoe publishing
| Commutative Property (order doesn't matter) | QuikChek | |
| Associative Property (grouping doesn't matter) | ||
| Distributive Property | QuikChek | |
| Solving One-Step Equations | QuikChekI/QuikChekII | |
| Solving Two-Step Equations | QuikChek | |
[Home]
| Answer: 7x + 21 |  |
Strategy: Distribute, Re-group, Re-order
3x + (- 5) + 7(x + 3) + 5 + (- 3x) << DISTRIBUTE >>
3x + (- 5) + 7x + 21 + 5 + (- 3x) << RE-ORDER >>
3x + (- 3x) + 7x + 21 + 5 + (- 5) << COMBINE >>
7x + 21