Substituting Algebraic Expressions

Evaluate the expression 2a + 3b when a = 4 and b = 6.

• 30

• 14

• 10

• 26

Given x = 9, find the value of 2x - 4.

• 10

• 14

• 18

• 6

If c = 3, calculate the result of 4c + 1.

• 13

• 16

• 10

• 7

When y = 8, substitute the value of y into the expression 6y - 2.

• -10

• 46

• 14

• 30

If p = 5 and q = 2, evaluate the expression 3p - 2q.

• 10

• 7

• 11

• 15

a=2 b=5 c=8

a+b+c

a=3 b=6 c=9

c-b+4a+5b

Evaluate 3x + 8   if x = 2

• 13

• 14

• 15

• 16

Find the value of the following if m = 8:

• 5

• -11

• 11

• -5

Find the value of the following if a = 2.
10a-3

• 23

• -23

• -17

• 17