# Elementary Algebra Review Part 9

Taught by YourMathGal
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Part of video series
Lesson Description:

Simplifying numerical expressions using order of operations, evaluating variable expressions using given values

More free YouTube videos by Julie Harland are organized at http://yourmathgal.com

• How do you simplify numerical expressions using order of operations?
• How do you simplify (-2 - 3 + 5)/(4 - 7) using order of operations?
• How do you simplify (-5)^2/(4 - 4) using order of operations?
• How do you simplify numerical expressions when you are multiplying or dividing by 0?
• How do you simplify (9 - 3^2)/(-6 + 4) using order of operations?
• How do you simplify (14 - 2*7)/(-5 - -5) using order of operations?
• How do you evaluate variable expressions with given values of variables if you are multiplying or dividing by zero?
• How do you evaluate 2x + z when x = 2 and z = -4?
• How do you evaluate 3/(2x + z) when x = 2 and z = -4?
• How do you evaluate (3y + x)/(z + 4) when x = 2, y = -3, and z = -4?
• How do you evaluate (2x + z)/5y when x = 2, y = -3, and z = -4?
• #### Staff Review

• Currently 4.0/5 Stars.
This lesson tackles more problems of simplifying numerical expressions and variable expressions with given values, but now, we are multiplying and dividing by 0.