Writing Equations with One Variable

Front

What is an equation?

Back

An equation is a mathematical statement that asserts the equality of two expressions, typically containing one or more variables.

Front

What does it mean to write an equation with one variable?

Back

Writing an equation with one variable means expressing a relationship using a single unknown quantity, represented by a letter (like x or n).

Front

What is a variable in mathematics?

Back

A variable is a symbol, usually a letter, that represents an unknown number or value in an equation.

Front

What is the difference between an equation and a word sentence?

Back

An equation is a mathematical statement with an equal sign, while a word sentence describes a relationship in words without necessarily being a mathematical expression.

Front

How do you represent 'the quotient of 16 and a number n' mathematically?

Back

The quotient of 16 and a number n is represented as 16/n.

Front

How do you express 'A number z divided by 7 equals 4' in equation form?

Back

This can be expressed as z/7 = 4.

Front

What does 'the difference of a number x and 2 is 7' mean in equation form?

Back

This means x - 2 = 7.

Front

How do you write '7 times a number a is 42' as an equation?

Back

This can be written as 7a = 42.

Front

What is the solution to the equation 7a = 42?

Back

The solution is a = 6.

Front

What does it mean to solve an equation?

Back

To solve an equation means to find the value of the variable that makes the equation true.