Which equation has x = 5 as the solution?

• x + 15 = 10
• 2x = 5
• 2x = 10

Tags

CCSS.6.EE.B.5

What would be the best first step to solving the equation in one step?

• multiply both sides by 3
• multiply both sides by -3
• divide both sides by -3
• add 3 to each side

Tags

CCSS.6.EE.B.7

Solve the equation
3x = 27. 

• x = 24
• x = 81
• x = 9

Tags

CCSS.6.EE.B.7

In the equation
x + 7 = 12
7 is being added to the variable, x. How should you show your work to isolate the variable and solve the equation? 

• Subtract 7 from both sides. The solution is x = 5.
• Add 7 to both sides.
  The solution is x = 19.
• Multiply both sides by 7 The solution is x = 84.

Tags

CCSS.6.EE.B.7

y - 33 = 147

• y = 114
• y = 177
• y = 180
• Answer not Given

Tags

CCSS.6.EE.B.7

4a + 9 + a

• 5a + 9
• 14a
• 3a + 9
• 5a - 9

Tags

CCSS.7.EE.A.1

Simplify:6b + 7b - 10

• 3b
• 13b - 10
• 13b² - 10
• 3b²

Tags

CCSS.7.EE.A.1

What is the simplified form of this expression
3x+4+5x+3

• 15x
• 8x+7
• 7x+8

Tags

CCSS.7.EE.A.1

Simplify    5(2 - 7n) =

•  52 - 57n
• 10 - 7n
• 10 - 35n
• 10 + 35n

Tags

CCSS.6.EE.A.3

Simplify the expression: 7+3(1 - 2x) 

• 21 - 6x
• 10 - 2x
• 10 - 20x
• 10 - 6x

Tags

CCSS.6.EE.A.3