Substituting Value

Which value of k is a solution to 3 + k = 21?

• 18

• 24

• 7

• 6

Which value of t is a solution to 20 - t = 12?

• 32

• 8

• 16

• 11

Which value of w is a solution to w/3 = 12?

• 24

• 9

• 15

• 36

Which value of y is a solution to 1 + 4y = 33?

• 5

• 6

• 7

• 8

Which value of x is a solution to 3x + 6 = 21?

• 3

• 4

• 5

• 6

Evaluate the expression for x = 3: 2x + 5

What is the value of the expression for y = 4: 7 - y

• 3

• -3

• 1

• -1

Given z = 6, what is the result of the expression: 3z - 4

Calculate the expression when a = 2: 4a + 3

Determine the value of the expression for x = 5: 2x - 9

• -4

• 1

• 11

• -11