Order of Operations /simplify expressions

Solve 14 - cd when c = 2 and d = 7

• 0

• 28

• 16

• 23

8 + 2 ⋅ 7

• 22
• 70
• 20
• 42

4 x 6 -2 =

• 20

• 24

• 22

• 18

Simplify by combining like terms:
5a + 2b - 3a + 4

• 8a + 2b + 4
• 2a + 2b + 4
• 8ab
• 4ab + 4

Simplify the expression: 2x + 1 + 7x 

• 10x
• 10
• 9x + 1
• 9 + 1x

Combine like terms
3x + 2x + 3y - 7y

• 5x + 10y
• 5x + 4y
• 5x - 4y
• 5x -10y

How many terms are in the expression below:
3x - 6 + 4b + 5 + 7 - 2x

• five
• eight
• six
• nine

Simplify the following expression:
-6x + 4(-x - 3)

• -2x - 12
• -10x + 12

• -10x - 12
• -2x + 12