Linear Equations One Variable

3x = 30

• is an example of an equation

• is an example of an expression

• is an example of a solution

• is an example of a varible

• x = 3

• x = 1

• x = -2

• x = -4

What value of g makes the following equation true? 11 × g = 121

• g = 1.21

• g = 11

• g = 12

• g = 1210

Consider the following equation.

x + 9 = 17

Which of the values can be substituted for x to make the equation true?

• 7

• 8

• 9

• 26

Kylie and Ricardo decide to start a dog watching business for their neighborhood. Kylie thinks it would be best to charge customers $27 for a membership and then $5 per time they walk a dog. Ricardo thinks it would be best to charge $8 per dog walk. For what number of walks will their two plans cost the same amount of money?

Mathematical Equivalence

ON

Mathematical Equivalence

ON

Mathematical Equivalence

ON

Mathematical Equivalence

ON

1. Kylie and Ricardo decide to start a dog watching business for their neighborhood. 

3. Kylie thinks it would be best to charge customers $27 for a membership and then $5 per time they walk a dog. 

5. Ricardo thinks it would be best to charge $8 per dog walk. 

7. For what number of walks will their two plans cost the same amount of money?

Mathematical Equivalence

ON

Mathematical Equivalence

ON