Combining Like Terms to Solve Equations

Which expression is equivalent to ?

 $7b+4b-1b?$  

• 2b

• 4b

• 10b

• 12b

Tags

CCSS.6.EE.A.4

Which expression is equivalent to ?

 $9p\ -3p\ +\ 2$  

• 8p 6p + 2

• 6p + 2

• 14p

• 9p -1

Tags

CCSS.6.EE.A.4

What is the value of k in the equation below?

 $5k\ -\ 2k\ =\ 12$  

• 3

• -5

• 5

• 4

Tags

CCSS.7.EE.B.4A

Kiemanh is solving the equation

 $15r-6r\ =36$  .  What is the value of r? 

• 2

• 4

• 15

• 27

Tags

CCSS.7.EE.B.4A

Jeannie works 5 hours on Tuesday, 3 hours on Wednesday, and 4.5 hours on Thursday. If h represents her hourly pay rate, which expression below shows the amount she earned?

• 12.5

• 12.5h

• 12.5+h

• $\frac{12.5}{h}$

Tags

CCSS.6.EE.B.6

Oksana wrote the equation below on the whiteboard.



What is the value of x?

 $4x\ \ +\ \ 2x=\ 42$  

• 7

• 4

• 4x

• 8

What is the value of k in the equation  ?

 $\frac{1}{3}k-\frac{2}{3}k=39$  

• 117

• 13

• -13

• -117

Which expression is equivalent to 5x +2y - 3x + 3y?

• 7x

• 7xy

• 2x + 5y

• 8x + 5y

Tags

CCSS.6.EE.A.4

2.4x - 3.6x = 9.6

• -1.6

• 8

• 1.6

• -8

4.5x + 6x = 94.5

• 63

• 84

• 9

• 105