Math 7 4.1 to 4.3 Review

Solve: 

 $x-2=6$  

• x = -3

• x = 4

• x = 8

• x = 12

Tags

CCSS.6.EE.B.7

Solve: 

 $x+3=9$  

• x = 3

• x = 6

• x = 12

• x = 27

Tags

CCSS.6.EE.B.7

Solve: 

 $5x=10$  

• x = 2

• x = 5

• x = 50

• x = -5

Tags

CCSS.6.EE.B.7

Solve: 

 $\frac{x}{2}=14$  

• x = 28

• x = 12

• x = 7

• x = 16

Tags

CCSS.6.EE.B.7

Solve: 

 $-14=\frac{7}{2}x$  

• x = 4

• x = -4

• x = -49

• x = -10.5

Tags

CCSS.6.EE.B.7

Solve: 

 $\frac{x}{20}-5=-1$  

• x = -120

• x = 120

• x = 80

• x = -80

Tags

CCSS.7.EE.B.4A

Solve: 

 $2x-1=19$  

• x = 9

• x = 10

• x = -9.5

• x = -9

Tags

CCSS.7.EE.B.4A

Solve: 

 $5x+13=43$  

• x = 5

• x = 6

• x = 7

• x = 11.6

Tags

CCSS.7.EE.B.4A

The perimeter of the triangle is 20.9 centimeters. What is the unknown side length?

• 6.2 cm

• 6.3 cm

• 6.4 cm

• 6.5 cm

Tags

CCSS.3.MD.D.8

It costs $12.50 to enter an amusement park and $0.25 to ride a ride. You have $16. Write an equation that represents the number r of rides you can ride.

• 12.50 + 0.25r = 16

• 12.50r + 0.25 = 16

• 12.50 - 0.25r = 16

• 12.50r - 0.25 = 16

Tags

CCSS.HSA.CED.A.3