Equations

Which equation has x=9 as a solution

• 4 + x = 12
• 5x = 45
• 2x = 20
• x + 7 = 26

Tags

CCSS.6.EE.B.5

Three times as many as six is eighteen

• 3 + 6 = 18
• 3 x 6 = 18
• 6 x 3 = 9
• 18 = 6 x 3

Tags

CCSS.4.OA.A.1

What is the solution of r - 11 = 5

• 11

• 14

• 15

• 16

Tags

CCSS.6.EE.B.7

Janeen's mother is 47. She is 26 years older than Janeen. Which equation can be used to find Janeen's age j?

• j + 26 = 47

• 26j = 47

• j - 26 = 47

• 47j = 26

Tags

CCSS.HSA.CED.A.3

What is the solution of 42 = 7f

• 294

• 49

• 35

• 6

Tags

CCSS.6.EE.B.7

What is the inverse operation of division?

• Division
• Multiplication
• Addition
• Subtraction

Tags

CCSS.4.NBT.B.6

What is the correct step to solve for the variable?
15 = m - 5

• add 15 to both sides
• add 5 to both sides
• subtract 15 from both sides
• subtract 5 from both sides

Tags

CCSS.6.EE.B.7

The variable, k, is being divided by 11. How should you show your work to isolate the variable?

• Divide both sides by 11
• Multiply both sides by 11.
• Add 11 to both sides.
• Subtract 11 to both sides.

Tags

CCSS.6.EE.B.7

What is the inverse operation of subtraction?

• Subtraction
• Multiplication
• Division
• Addition

Tags

CCSS.2.NBT.B.5

CCSS.2.NBT.B.7

CCSS.2.NBT.B.9

Solve the equation:
a + 2.4 = 7.8

• a = 10.2
• a = 5.4
• a = 17.76
• a = 3.25

Tags

CCSS.6.EE.B.7