Answer to Practice Exercises Addition and Subtraction

 Answers

Exercise 1

1.                 12x

2.                 7y

3.                 13a

4.                 12m

5.                 12p

Exercise 2

1.                 7x + 3y

2.                 6a + 4

3.                 5m + 5

4.                 4x² + 3x

5.                 17p − 4

Exercise 3

1.                 7x + 10

2.                 5a² + 3a

3.                 5m + 7

4.                 5y + 4

5.                 4x² + 2x

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