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 solve an equation?

Back

To solve an equation means to find the value(s) of the variable(s) that make the equation true.

Front

What is a variable in mathematics?

Back

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

Front

What is the difference between an expression and an equation?

Back

An expression is a combination of numbers, variables, and operations without an equality sign, while an equation includes an equality sign.

Front

How do you represent 'a number increased by 5' in an equation?

Back

You represent it as x + 5, where x is the unknown number.

Front

What is the equation for 'the product of 4 and a number n is 20'?

Back

The equation is 4n = 20.

Front

How do you express 'the sum of a number m and 3 equals 10'?

Back

You express it as m + 3 = 10.

Front

What does 'the difference of a number p and 4 is 6' look like in equation form?

Back

It looks like p - 4 = 6.

Front

How do you write 'twice a number t is 14' as an equation?

Back

You write it as 2t = 14.

Front

What is the equation for 'one-third of a number x is 9'?

Back

The equation is x/3 = 9.