Solving Two-Step Equations

What is the first step in solving the following equation?
3x - 5 = 20

• multiply both sides by 5
• add 5 to both sides
• divide both sides by 5
• subtract both sides by 5

Tags

CCSS.7.EE.B.4A

7k - 14 = 42

• 7

• -8

• 0

• 8

Tags

CCSS.7.EE.B.4A

r/4 - 12 = -5

• 32

• 28

• -28

• 0

Tags

CCSS.7.EE.B.4A

Level 3

Solve for a

• a= 9

• a= -9

• a= -5

• a= 5

Tags

CCSS.7.EE.B.4A

12 = 4 - 4x

• 10
• 8
• 4
• 2

Tags

CCSS.7.EE.B.4A

WRITE AN EQUATION

331 students went on a field trip. Six buses were filled and 7 students traveled in cars. How many students were in each bus?

• 331=7x+6

• 331=13x

• 331=6x+7

• 331-7/6=x

Tags

CCSS.HSA.CED.A.3

Did Sarah make an error? If so, which is the best description of her error?

• She didn't distribute correctly. The second step should read 3x - 12 = 24

• She didn't distribute correctly. The second step should read -3x - 12 = 24

• She didn't distribute correctly. The second step should read -3x + 12 = 24

• She didn't make an error.

Tags

CCSS.HSA.REI.A.1

Reagan earned $5.00 for allowance. She bought an ice cream cone for $1.25 and a pack of stickers for 50 cents. How much money does Mandy have left?

• 3.25
• 6.75
• 4.35
• 11.75

Tags

CCSS.6.EE.B.6

Solve for x.

2(x + 15) = -6

• x = -10.5

• x = -18

• x = 18

• x = 10.5

Tags

CCSS.7.EE.B.4A

Solve for y.

6(y - 5) = 21

• x = 4.16

• x = 8.5

• x = -1.5

• x = 306

Tags

CCSS.7.EE.B.4A