Solving for Unknown Variables

Solve the equation: 
x + 7 = 12

• x = 5

• x = 19

• x = -5

• x = 84

Solve the equation:
x - 4 = 6

• x = 10

• x = -10

• x = 2

• x = -2

Solve the equation:
4p = 16

• p = 12

• p = -12

• p = -4

• p = 4

y - 33 = 147

• y = 114

• y = 177

• y = 180

• Answer not Given

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

3x+5=-3x+17

• x=2

• x=-2

• x=6

• x=12

Mathematical Equivalence

ON

Solve for x:
2x + 5 = 12

• 7

• 3

• 3.5

• 8.5

Solve for w:

-6w - 1 = 11

• 2

• 1.2

• 12

• -2