Solving One-Step Equations

1
Solving One-Step Equations

• Unit 10

2
To Solve an Equation

1. Isolate the variable get the letter by itself
2. Use the Inverse Operation to isolate the
   variable.
3. Addition Subtraction
4. Multiplication Division

3
Multiplication

• when a number sits next to a variable with
  nothing in between the two, the operation is
  multiplication.
• EX 2x16

4
Example
Number to move the 2
2x 16
2 2
Operation being used x
x 8
Opposite of x ?
5
Divide each side by negative 3
-3x 21
-3 -3
x -7
6
Examples
7
Division
When a number is written as a fraction, the
operation is division.
8
Number to move the 2
x 8
2
Operation being used ?
Opposite of ? x
9
Multiply each side by 2
x 16
10
Examples
11
Balance

• http//nlvm.usu.edu/en/nav/frames_asid_201_g_3_t_2
  .html?openinstructionsfromcategory_g_3_t_2.html
  

12
Homework

• Page

http//www.brainpop.com/math/algebra/equationswith
variables/