Writing and Solving Equations

Solve the equation:

 $x\ +\ \left(-4\right)\ =\ 9$  

• x = 5

• x = -5

• x = 13

• x = -13

Tags

CCSS.6.EE.B.7

Solve the equation:

 $\frac{2}{7}x=14$  

• x = 49

• x = 4

• x = 56

• x = 7

Tags

CCSS.6.EE.B.7

Solve the equation:

 $\frac{x}{-3}=12$  

• x = -36

• x = 36

• x = 4

• x = -4

• x = -12

Tags

CCSS.6.EE.B.7

Solve the equation:

 $x-\left(-5\right)\ =\ -2$  

• x = -7

• x = 7

• x = 3

• x = -3

Tags

CCSS.6.EE.B.7

Solve the equation:

 $x+3.2\ =\ 5.38$  

• x = 5.06

• x = 2.18

• x = 1.9

• x = 7.58

Tags

CCSS.6.EE.B.7

Which equation best represents the situation?

Andrew has $12. Together, he and his brother have $23. How much money does his brother have?

• $23+b=12$

• $12+23=b$

• $12+b=23$

• $b-23=12$

Tags

CCSS.HSA.CED.A.3

Which problem can be solved using the equation below?

 $5.5x=22$  

• A plant grew 22 inches every 5.5 months during a science experiment. How many inches, x, was the plant at the end of the science experiment?

• A science experiment was conducted for 22 months. At the end of the experiment, a plant had grown 5.5 inches. How many inches, x, did the plant grow each month during the experiment?

• A science experiment was conducted for a number of months. During the experiment, a plant grew 5.5 inches every 22 days. For how many months, x, was the science experiment conducted?

• A plant grew 5.5 inches each month during a science experiment. At the end of the experiment, the plant was 22 inches tall. For how many months, x, was the science experiment conducted?

Tags

CCSS.6.EE.B.7

Mrs. Williams, Mrs. Bradford, and Mr. Reynolds all bought school supplies for their children. Mrs. Williams spent $32.55, Mrs. Bradford spent $47.50, and Mr. Reynolds spent less than Mrs. Bradford.

Which equation can be used to find how much more money Mrs. Bradford spent on supplies than Mrs. Williams?

• $x+32.55=47.50$

• $x-32.55=47.50$

• $x=47.50\times32.55$

• $x-47.50=32.55$

Tags

CCSS.HSA.CED.A.3