Writing and Solving Equations

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 represented by a letter, that stands for an unknown value in an equation.

Front

What is the purpose of isolating the variable in an equation?

Back

Isolating the variable helps to find its value by getting it alone on one side of the equation.

Front

What is the first step in solving the equation x - 10 = 24?

Back

Add 10 to both sides of the equation.

Front

How do you check if your solution to an equation is correct?

Back

Substitute the solution back into the original equation to see if both sides are equal.

Front

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

Back

x = 3.

Front

What operation would you use to solve the equation 3x = 44?

Back

Divide both sides by 3.

Front

Write an equation to represent the following situation: A number increased by 10 equals 24.

Back

x + 10 = 24.

Front

What is the solution to the equation 5d - 6 = 9?

Back

d = 3.