Evaluating Simple Expressions

3y - 10

where y = 10

• 10

• 20

• 30

• 40

What is 4x if x=5?

• 20

• 16

• 9

• 45

What is 3x+(5+y) if x=2 and y=7?

• 18

• 28

• 8

• 3

What is 6+x when x=53?

• 59

• 50

• 47

• 90642

What is 34x-u+16y when x=2 u=14 and y=3?

• 102

• 43

• 2

• 107

What is  x-14(5+y) when x=13 and y=14

• -19

• 19

• Impossible 

• 16

What is  X+y+z+a-c      when x=11 y=3 z=4 a=14 and c=10? 

• 22

• 32

• 2

• 17

what is x•x when x=16

• 256

• 32

• 1

• 16

Solve!

• 1

• -1

• 0

• 27

Solve! (When x=8)

• 0

• No possible solution

• -4

• 8