Model of Two Step Equation

Which equation matches the model?

• 6x + 3 = 12

• -3x - 6 = -12

• 3x + 6 = 12

• 6x - 3 = -12

Which equation matches the model?

• 3x - 2 = 5

• 2x - 3 = -5

• 3x + 2 = 5

• 2x + 3 = -5

Solve the word problem:

Jackson is 2 years younger than twice Danika's age. If Jackson is 18 year old, how many years old is Danika?

Solve the word problem:

A company charged you $70 for a service call and $20 for each hour spent on the repair. The total bill was $130. How many hours did the repair take?

• 1

• 2

• 3

• 4

Which equation matches this model?

• 7x + 3 = 23

• 2x + 4= 10

• 3x  - 8 = 3

• 4x + 3 =9

Which equation represents this model.

• 6x + 5 = 15

• x + 6 = 15

• 6x+ 5 = 10

• 4x + 6 = 15

33 = 4a - 7

• a=-10

• a=10

• a=4.5

-3a + 8 = 14

• a= -2

• a= -7.5

• a= 2

• a= 6

26 = 5a + 1

• a= 5 ⁴∕₅

• a= no solution

• a= 0

• a= 5

3n + 4 = 7 

• 1

• -1

• 3.67

• 2