Solve for Unknown

Solve the equation: 
x + 7 = 12

• x = 5

• x = 19

• x = -5

• x = 84

36 = ? x 9

• 5

• 4

• 3

• 6

9 X n = 36

• 4

• 3

• 5

• 6

A school band maraches in rows at a parade. There is a total of 35 band members. There are 5 members in each row. How many row of band members are there? Let "r" stand for the number of rows of band members. Choose ALL the equations that can be used to solve the problem.

• 35 = r x 5

• r = 35 x 5

• r = 5 x 35

• r = 35 / 5

What is the correct equation for the problem? You had some candy. Your little brother steals 15 pieces. Now you have 12 pieces left. How much candy did you have to start with?

• c - 15 = 12

• c + 15 = 12

• 15 - 12 = c

• 15 - c = 12

Solve the following equation:

50 + n = 75

3 x W = 12

• w= 3

• w = 5

• w = 4

Which represents the unknown value in the following statement? 
7 + j = 15

• 7

• +

• j

• 12

Kyle is paid $8.00 an hour, and last week, Kyle earned $160.00.  What does the x represent in the equation 8x = 160? 

• The number of days Kyle worked last week

• The number of hours Kyle worked last week

• The number of hours Kyle worked over the weekend

• The amount of money Kyle made

t x 2 = 12

• 6

• 5

• 4

• 2