Review of Equations

Solve for x
6x + 28 = 12 + 2x

• 4

• -4

• -2

• 6

Find the Error
What error did the student make when solving the equation:
1/5x + 6 = 3/5x + 5
1x + 6 = 3x + 5
-2x + 6 = 5
-2x = -1
x = 1/2

• The student found an incorrect common denominator

• The student did not multiply all terms by the common denominator

• The student did not use opposite operations appropriately

• The student did not correctly eliminate the variable from one side of the equation

Please clear the decimals and solve 

• 4.7

• 5.6 

• -2.45

• None of the above 

Tags

CCSS.7.EE.B.4A

Solve: -18 - 6x = 6(1 + 3x)

• -1

• 1

• No Solution

• Infinite Solutions

Solve for x:
52 = -5x - 3

• x = 11

• x = -11

• x = 275

• x = -275

Tags

CCSS.7.EE.B.4A

Solve: 2(4x - 3) - 8 = 4 + 2x

• 5/3

• 3

• 1

• 2

-12 + c = 38

• c = -19/6

• c = -456

• c = 26

• c = 50

Tags

CCSS.6.EE.B.7

11b+7=40

• 2

• 1

• 4

• 3

Tags

CCSS.7.EE.B.4A

4 = 2(x + 3)

• 1/2

• 7/2

• -1

• 5

Tags

CCSS.7.EE.B.4A

n+2=-14-n

• 6

• 8

• -8