Applied Math Solving Equations

-3 + 5g = 17

• g=2.8

• g=4

• g=20

• g=-4

In the equation 3x+ 5y =16  What is (are) the variable(s)?

• x

• 5y

• x and y

• 3,5, and 16

In the equation x+12= 54  What is (are) the constant value(s)?

• x

• 12

• 54

• 12 and 54

Substitute and Solve: a=4, b=3
a+b-2+a

• 8

• 14

• 9

• 4

Solve:

3(x - 2) = 18

• 6.7

• 4

• 8

• -4

• none of the above

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

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

3(x - 2) = 18

• 6.7

• 4

• 8

• -4

• none of the above

Find the solution:
10 = 4x - 2

• x = 3

• x = 2

• x = -3

• x = -2

4x + 7 = 23

• x = 16

• x = 4

• x = 9

• x = 12