Solving Equations with One Variable

30 = y + 12

• 42

• 18

• 64

• -42

18 + a = 24

• 18a

• 28

• 6

• 42

g - 8 = 25

• 33

• -33

• 17

• -17

Mathematical Equivalence

ON

4x + 7 = 23

• x = 16

• x = 4

• x = 9

• x = 12

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

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