Solve Equation in Context

Solve
x + 3 = 9

• 5

• 6

• 7

Solve
y + 3 = -2

• 1

• 5

• -5

Solve
m + 4 = 1

• -3

• 3

• 5

Solve
a + 2 = 10

• 8

• 12

• 10

• 0

• 1

• -1

• 4

• 2

• -2

• 8

• 8

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

• m=3

• m=-4

• m=-1

• All real numbers

• x=-10

• x=2

• No Solution

• All Real Numbers

• x=3

• x=-7

• x=0

• No Solution