Download Algebra Review—Solving Multi

Algebra Review—Solving Multi-Step Equations
Questions/Key Words
Definitions
To solve a multi step equation in one
variable, use inverse operations to
isolate the variable on one side of the
equation.
1. _______________
2. Combine like terms
3. Use inverse operations to
isolate the variable on one side
of the equation
• Addition – Subtraction
• Multipication – Division
Let’s practice together…
How do we solve equations
with fractions?
Notes
Examples
Solve for x:
Example 1
4(3x  5)  8
Solve for n:
Example 2
7n  3(6  2n)  3(n  8)
Solve for x:
Example 3
x 1 5
 
3 4 12
Example 4
2
x  3  18
5
Example 5
6  4x 
1
6x  9
3
You Try
5x +18 +3x = 50
2a+3a+4a=5a-18
2(11+3n)=12n
Summary: To solve equations…