Revision year 7

Solve  $\frac{4}{3}x=20$  

• x = 15

• x =  $26\ \frac{2}{3}$  

• x = 10

• x = 20

Tags

CCSS.6.EE.B.7

Solve:
2(2x + 3) = -6(x + 9)

• 1.2
• 6
• -6
• 7.5

Tags

CCSS.HSA.CED.A.1

CCSS.HSA.REI.A.1

CCSS.HSA.REI.B.3

Solve each equation.   $.75\left(x-13\right)=-2\left(9+x\right)$  

•  $x=-3$  

•  $x=3$  

•  $x=11$  

Tags

CCSS.8.EE.C.7B

Which is the correct first step in solving the equation shown?

• Subtract 33 from both sides

• Add 33 from both sides

• Add 3.5 from both sides

• Multiply both sides by -3.5

Tags

CCSS.7.EE.B.4A

Which of the following shows the equation below after it has been simplified?

• 34=10x+14

• 34=8x+18

• 34=9x+14

• 34=10x - 14

Tags

CCSS.8.EE.C.7B

Austin solved the equation as shown below. Which correctly describes the error that Austin made in his work?

• Austin did not combine 7x and 8x correctly.

• Austin did not combine -3 and -9 correctly.

• Austin did not divide correctly.

• Austin did not make an error in his work.

Tags

CCSS.HSA.REI.A.1

Solve for x. 
15 = -x + 2

• x = -13
• x = 13
• x = -17
• x = 17

Tags

CCSS.6.EE.B.7

7x = 3x + 24

• 6
• 10
• 14
• 4

Tags

CCSS.6.EE.B.7

CCSS.6.EE.B.5

CCSS.6.EE.B.6

10x + 9 = 4x - 9

• 0
• 3
• -3
• -18

Tags

CCSS.6.EE.B.5

CCSS.6.EE.B.6

Peppy Pets charges a flat fee of $15 plus $3 per hour to keep a dog during the day. Happy Hounds charges a flat fee of $21 plus $1 per hour. For how many hours is the total fee charged by the companies the same?

• 2 hours
• 3 hours
• 4 hours
• 5 hours

Tags

CCSS.8.EE.C.8C