One Step Equations

Which equation has x = 5 as the solution?

• x + 15 = 10
• 2x = 5
• 2x = 10

What what is the inverse operation of subtraction?

• addition
• subtraction
• multiplication
• division

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

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.

y - 33 = 147

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

y - 4.6 = 12

• 16.6
• 5.8
• 7.4
• Answer not Given

5 less than a number is 15.

• x - 5 = 15
• 5 - x = 15
• 15 - x = 5

What is the inverse operation of division?

• Division
• Multiplication
• Addition
• Subtraction

What what is the inverse operation of subtraction?

• addition
• subtraction
• multiplication
• division

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

• isolate the variable.
• check the solution.
• guess and check.
• Combine Like Terms.