1-Step Positive Numbers Equation Models

Solve the equation below:

• k = 152
• k = 176
• k = 5
• k = 27

x - 62 = 123
How should you show your work to isolate the variable and solve the equation?

• Add 62 to each side. 
• Subtract 62 from each side.
• Multiply each side by 62.
• Add 123 to each side.

What is the goal when we are solving equations?

• Make the variable disapear
• Isolate the Variable
• Double the Variable
• Make the equation equal zero

• 17
• 60
• 7
• -60

n + 5 = -13

• n = -18
• n = -8
• n = 8
• n = 18

x - 9 = -2

• -7
• 11
• -11
• 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.

What is the inverse, or "opposite" operation of subtraction?

• Multiplication
• Division
• Addition
• Subtraction 

Solve the equation:
-5x = 25

• x = 20
• x = -20
• x = -5
• x = 5

Solve for x:

• x = 20
• x = 7
• x = 10
• x = 3