Solving Three Step Equations

• Yes, y = -29.6.  She correctly added 54 to both sides then divided by -5.

• No, she needed to subtract 54 from both sides then divide by -5.  Her answer should be y = -8

• No, she needed to divide by -5 first, then subtract 54.  Her answer should be y = -72.8

Tags

CCSS.HSA.REI.A.1

Solve for x.

• x = 56

• x = 8/7

• x = 24/7

• x = 168

Tags

CCSS.7.EE.B.4A

If 3(2x - 1) = 15, what is the value of x?

• 5

• 6

• 4

• 3

Tags

CCSS.7.EE.B.4A

Solve for x: 7x + 4 = 25

• x = 3

• x = 10

• x = 7

• x = 5

Tags

CCSS.7.EE.B.4A

• x=-10

• x=2

• No Solution

• All Real Numbers

Tags

CCSS.8.EE.C.7A

• m=3

• m=-4

• m=-1

• All real numbers

Mathematical Equivalence

ON

Tags

CCSS.7.EE.B.4A

• 2

• -2

• 8

• 8

Tags

CCSS.8.EE.C.7B

• x=3

• x=-7

• x=0

• No Solution

• 1.5

• 6

• -6

• -1.5