Evaluating Expressions Algebra

3r + 2e; r = 3  e = 2

• 15

• 13

• 54

• 12

What is the value of x?
3x + 4 when x = -2

• 10

• 2

• -2

• 4

Simplify the following:  
-8 + (15 - 3) ÷ 4

• -5

• 1

• -11

• 11

5m + 9n if m = -7 and n = 4

• 71

• 1

• -1

• -71

Evaluate 3x + 8   if x = 2

• 13

• 14

• 15

• 16

6a - 3d
when a = 1, d = 2

• 3

• 12

• 1

• 0

Evaluate when x = 8:
2x + x - 10

• 34

• 22

• 14

• 24

Evaluate the expression when x = 3. 
2x² - 5

• 31

• 12

• 7

• 13

Evaluate 3d if d = 5

• 3

• 5

• 12

• 15

Evaluate y + 17 if y = 11

• 11

• 17

• 27

• 28