Evaluating One Step Expressions

Evaluate -2x  if     x = 10

• -8

• 20

• -20

Evaluate 4y  if       y = 3

• 7

• 12

If p = -6, what does p + 4 equal?

• 10

• -2

• -24

• -3

If x = -7, what does -2⋅x equal?

• -9

• -14

• 5

• 14

Solve for x:

• x = 20

• x = 7

• x = 10

• x = 3

Evaluate 3x - 2 for x = 8
(3x = 3 times x)

• 36

• 26

• 21

• 22

If y = 7, find the value of 2(y+4).

• 11

• 22

• 20

• 12

If y = 4, find the value of 3y+5.

• 27

• 12

• 17

• 18

What is the value of 7a + 3 if a = -2?

• -11

• 11

• 10

• -10

Evaluate 3m - 1 for m = 2
(3m = 3 x m!)

• 31

• 4

• 7

• 5