Combining Like Terms

Which of the following correctly combines like terms for

9 + n - 4 = 25

• 5 + n = 25

• N - 13 = 25

• 13 + n = 25

• N = 20

Which of the following correctly combines like terms for 7p+3p = 50

• 11p = 50

• 6p + 4p = 50

• 4p = 50

• 10p = 50

Which of the following correctly combines like terms for

15 + n - 5 = 75

• N - 20 = 75

• 10 + n = 75

• 20 + n =75

• N - 10 = 75

Which of the following correctly combines like terms for

8x + 4 x = 36

• 4x = -8x + 36

• 4x = 36

• 12x = 36

• -4x = 36

Combine like terms, then solve for

9 + n - 4 = 25

• N = 20

• N = 30

• N = 29

• N = 21

Combine like terms, then solve for

7p+3p = 50

• P= 10

• P= 5

• P = 25

• P = 2

Combine like terms, and solve for

15 + n - 5 = 75

• N = 85

• N = 60

• N = 65

• N = 80

Combine like terms, then solve for

8x + 4x = 36

• X = 2

• X = 3

• X = 4

• X = 5

Challenge problem:

How do you combine like terms for the following equation

4x - 7 + 2x + 14 = 42

• 6x + 7 = 42

• 19x = 42

• 6x - 7 = 42

• 2x + 21 = 42