Equations

Solve for w:
-6w + 1 = -11

• 2
• 1.2
• 12
• -2

Tags

CCSS.7.EE.B.4A

6 - 3a = 21

• a= 9
• a= -9
• a= -5
• a= 5

Tags

CCSS.7.EE.B.4A

Solve the equation. Check your solution.

• 24
• ¹⁴⁷/₈ or 18 ³/₈
• 168
• -24

Tags

CCSS.7.EE.B.3

Solve the equation. Check your answer.
-2.5b = 20.5 

• 8.2
• -0.12
• 0.12
• -8.2

Tags

CCSS.6.EE.B.7

A cell phone company charges $3.00 to make a phone call plus $0.15 for each minute for each minute you talk. Which equation would you use to determine the total cost, c, of a phone call that is m number of minutes long?

• c = 3.00 - 0.15m
• c = 0.15 + 3.00m
• 3.00 = c + 0.15
• c = 3.00 + 0.15m

Tags

CCSS.6.EE.C.9

WRITE AN EQUATION
April had $24 to spend on seven pencils. After buying them she had $10. How much did each pencil cost?

• n=total cost pencils; 7n+10=24
• n=cost of 1 pencil; 7n-10=24
• n=cost of 1 pencil; 7n+10=24
• n=cost of 1 pencil; -7n-10=24

Tags

CCSS.HSA.CED.A.3

Translate the sentence into an equation:
Four more than six times a number is 18.

• 10x = 18
• 4x + 6 = 18
• 4 + 6x = 18
• not enough info

Tags

CCSS.6.EE.A.2

CCSS.6.EE.B.6

CCSS.6.EE.B.7

You bought a magazine for $5 and four erasers. You spent a total of $25. How much did each eraser cost?  (Define 'n' and write the equation.) 

• n=total cost of erasers; 5 + 4n = 25
• n=cost of 1 eraser; 5 - 4n = 25
• n=cost of 1 eraser; 5n + 4 = 25
• n=cost of 1 eraser; 5 + 4n = 25

Tags

CCSS.HSA.CED.A.3

-3 ( f - 8 ) = 39

• -21
• -10.3
• -5
• 5

Tags

CCSS.7.EE.B.4A

 $\frac{1}{6}\left(x+12\right)=-4$  

• -36

• -96

• -18

• -6

Tags

CCSS.7.EE.B.4A