Solving Equations Find the Error

Which equation below would give you the answer no solution?

• 3x + 3 = 3x + 3

• 3x + 3 = 6x + 6

• 3x + 3 = 3x + 2

• 3x + 3 = 0

Tags

CCSS.8.EE.C.7A

Which equation below would give you an answer of infinite solutions (all real numbers)?

• 4x + 10 = 0

• 4x + 10 = 4x

• 4x + 10 = 4x + 8

• 4x + 10 = 4x + 10

Tags

CCSS.8.EE.C.7A

Solve for x:
2(3x + 4) + 2 = 4 + 3x

• 2

• -2/3

• 10

• -2

Tags

CCSS.8.EE.C.7B

Solve for x:
8x + 2 + 3x + 5 = x + 12

• -1/2

• 2

• -2

• 1/2

8v - 4(v + 8) = 8

• 2

• 10

• 4

• -4 

Tags

CCSS.8.EE.C.7B

Solve the equation:
^x/₃+ 10 = 15

• 75

• 15

• 25

• 5

Tags

CCSS.7.EE.B.4A

Solve     -20 = -4x - 6x

• x = -2

• x = 10

• x = 2

• x = -10

Tags

CCSS.8.EE.C.7B

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

• 2

• 1.2

• 12

• -2

Tags

CCSS.7.EE.B.4A

Q1. What is the value of x if 5x = 245?

• A) -49

• B) 153/5

• C) 49

• D) 85

Tags

CCSS.7.EE.B.4A

Find the error in the problem below
19 - 2k = 3k - 1
     +3k   +3k
19 + 1k = -1
-19           -19
k = -20

• They should have divided by 1 for the last step

• They should add 19 instead of subtracting 19

• I can not find an error

• Instead of adding 3k they should subtract 3k

Tags

CCSS.HSA.REI.A.1