End of Lesson 2
Lesson 3 Contents
Example 1 Verbal to Algebraic Expression
Example 2 Algebraic to Verbal Sentence
Example 3 Identify Properties of Equality
Example 4 Solve One-Step Equations
Example 5 Solve a Multi-Step Equation
Example 6 Solve for a Variable
Example 7 Apply Properties of Equality
Example 8 Write an Equation
Write an algebraic expression to represent 3 more than a number.
Write an algebraic expression to represent 6 times the cube of a number.
Write an algebraic expression to represent the square of a number decreased by the product of 5 and the same number.
Write an algebraic expression to represent twice the difference of a number and 6.
Write an algebraic expression to represent each verbal expression.
a. 6 more than a number
b. 2 less than the cube of a number
c. 10 decreased by the product of a number and 2
d. 3 times the difference of a number and 7
Answer: The sum of 14 and 9 is 23.
Answer: Six is equal to –5 plus a number.
Answer: Seven times a number minus 2 is 19.
Answer: The difference between 10 and 3 is 7.
Answer: Three times a number plus 2 equals 11.
Answer: Five is equal to the sum of 2 and a number.
Name the property illustrated by the statement if xy = 28 and x = 7, then 7y = 28.