Expressions and Equations Review

Solve: 

 $50=-2.5x$  

•  $x=20$  

•  $x=-125$  

•  $x=-20$  

•  $x=47.5$  

Tags

CCSS.6.EE.B.7

-2x + 11 + 6x

• 8x+11
• 4x +11
• 4x
• 15x

Tags

CCSS.7.EE.A.1

5(a + 6)

• 5a + 6
• a + 30
• 5a + 30
• 5a - 30

Tags

CCSS.6.EE.A.3

4(-p - 6)

• 4p - 24
• 4p + 24
• -4p + 24
• -4p - 24

Tags

CCSS.6.EE.A.3

Simplify the following expression:
19 - ( 3 - 5b)

• 16 + 5b
• 21 + 5b
• 16 - 5b
• 21 - 5b

Tags

CCSS.7.EE.A.1

 $5d-7-d+4$  

•  $6d+11$  

•  $6d-3$  

•  $4d+11$  

•  $4d-3$  

Tags

CCSS.7.EE.A.1

x - 62 = 123
How should you show your work to isolate the variable and solve the equation?

• Add 62 to each side. 
• Subtract 62 from each side.
• Multiply each side by 62.
• Add 123 to each side.

Tags

CCSS.6.EE.B.7

What is the inverse operation of division?

• Division
• Multiplication
• Addition
• Subtraction

Tags

CCSS.HSA.REI.A.1

What is the correct step to solve for the variable?
15 = m - 5

• add 15 to both sides
• add 5 to both sides
• subtract 15 from both sides
• subtract 5 from both sides

Tags

CCSS.6.EE.B.7

The variable, k, is being divided by 11. How should you show your work to isolate the variable?

• Divide both sides by 11

• Multiply both sides by 11.

• Add 11 to both sides.

• Subtract 11 to both sides.

Tags

CCSS.6.EE.B.7