Solving Equations in One Variable One Step

To solve x - 12 = 95 you would...

• add 12 to both sides of the equation.

• subtract 12 from both sides of the equation.

• add 95 to both sides of the equation.

• subtract 95 from both sides of the equation.

Find n. n - 12 = 3

• n = 15

• n = 9

• n = 36

• n = 4

Solve the following equation
c / 4 = 4

• 1/4

• 8

• 1

• 16

To check your solution. You do what first?

• Isolate the variable

• Opposite

• Substitute the variable with the answer

• Use the "Golden Rule"

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

how would you solve this equation: 9x=153?

• multiply by 9 on both sides

• divide by 9 on both sides

• add 9 to both sides

• subtract 9 from both sides

What would you do to solve 2.3n = 9.4?

• Add 2.3 to both sides of the equation.

• Subtract 9.4 from both sides of the equation.

• Divide both sides of the equation by 2.3

• Multiply both sides of the equation by 2.3

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.

Solve the equation:
4p = 16

• p = 12

• p = -12

• p = -4

• p = 4

y + 9 = -10

• 1

• -1

• 19

• -19