One-Step Equations Vocabulary

Solve the equation -1/5a = 30.

• -6

• 6

• 150

• -150

Solve the equation 26 = a - 28.

• 54

• -54

• -2

• 2

Solve the equation -45 = 9a.

• 5

• -405

• 405

• -5

Solve the equation 8 - a = 32.

• -40

• 40

• 24

• -24

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.

What equation matches this situation?
Robyn had some video games then bought 4 more.  Now she has a total of 10 games.

• v - 4 = 10

• v + 4 = 10

• 10 - 4 = v

• Answer not Given

Translate 4 more than x equals 7 into an equation and solve. 

• x+4=7
  x = 11

• x+4=7
  x = 3

• x-4=7
  x = 11

• x-4=7
  x=3

The goal when solving an equation is to....

• isolate the variable.

• check the solution.

• guess and check.

• Combine Like Terms.

Which of the following is used to solve single step equations mathematically?

• substitution

• inverse operations

• frequency

• data analysis

How would you isolate the variable in the following equation?

• Add 4 to both sides, the answer is 16

• Divide both sides by 4, the answer is 3

• Subtract 4 from both sides, the answer is 8

• Multiply both sides by 4, the answer is 48