Solving One-Step Equations

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

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

Solve the equation:

x - 5.5 = 10.5

x + 12 = 20

x - (-1) = 11

• x = 10
• x = 12
• x = -10
• x = 11

n - 6 = -15

• n = -21
• n = -9
• n = 9
• n = 21

Solve the following equation

x + 8 = 15

• x = 23

• x = 22

• x = 7

• x = 6

What is the inverse operation needed to solve for p?
765 = p - 254

• subtraction
• addition
• multiplication
• division

What what is the inverse operation of subtraction?

• addition
• subtraction
• multiplication
• division

x + 12 = 20

• x = 32
• x = -32
• x = 8
• x = -8

For which equation is b=4 a solution?

• 4b=1

• b/2=8

• b+4=0

• b-14=-10