Modeling and Writing Algebraic Equations

Front

What is a variable in an algebraic equation?

Back

A variable is a symbol, often represented by a letter, that stands for an unknown value in an equation.

Front

Identify the variable in the equation: 2x - 7 = 9

Back

x

Front

What does the equation x + 3 = 9 represent?

Back

It represents a situation where a number (x) increased by 3 equals 9.

Front

What is the solution to the equation x - 3 = 9?

Back

x = 12

Front

What is an equation?

Back

An equation is a mathematical statement that asserts the equality of two expressions.

Front

What is the solution to the equation 4x = 28?

Back

x = 7

Front

How do you represent the statement 'a number decreased by 4 equals 7' in an equation?

Back

x - 4 = 7

Front

What is the equation that matches the statement '3 more than a number equals 10'?

Back

x + 3 = 10

Front

What is the solution to the equation 7 = x + 4?

Back

x = 3

Front

What does the equation 3x - 3 = 9 represent?

Back

It represents a situation where three times a number decreased by 3 equals 9.