Combining Like Terms

Which expression is equivalent to

v + v + v + v + v?

• 5v

• v⁵

• v + 5

• v(1 + 5)

Tags

CCSS.6.EE.A.4

Which of the following equations is true?

•  $3x+5=8x$  

•  $3x+5x=8x$  

•  $3+5x=8x$  

Tags

CCSS.8.EE.C.7A

How did you decide that $3x+5x=8x$  was correct?

What are constants in an expression?

• The number before a letter
• The numbers without an letters.
• The + and - signs
• The letters

Tags

CCSS.6.EE.A.2B

What are coefficients?

• The letters in an expression
• The numbers without a letter
• The same as constants
• The number before a letter 

Tags

CCSS.6.EE.A.2B

Write a simplified expression for the picture.

• 2x + 2
• x + 2
• x - 2
• 2x - 2

Tags

CCSS.7.EE.A.1

True or False: 4.25(x+8) is equivalent to 4.25x +8

• True

• False

How did you decide that  $4.25\left(x+8\right)$  is not equivalent to  $4.25x\ +\ 8$  ?

Finish the expression:
 $5\left(x-2.1\right)=5x$   (a)  

 $12+8x$  

Select all equivalent expressions:

•  $4\left(3+2x\right)$ 

•  $20x$  

•  $8x+12$  

•  $12x+8$