One-step equations

Front

What is a one-step equation?

Back

A one-step equation is an algebraic equation that can be solved in a single operation, such as addition, subtraction, multiplication, or division.

Front

How do you solve the equation x - 62 = 123?

Back

Add 62 to both sides of the equation.

Front

What is the solution to the equation x - 7/8 = 24?

Back

The solution is x = 24 + 7/8 = 24.875.

Front

What is the inverse operation of addition?

Back

Subtraction.

Front

What is the inverse operation of multiplication?

Back

Division.

Front

What is a variable in mathematics?

Back

A variable is a symbol, often a letter, that represents an unknown number.

Front

What is the first step to solve the equation 3x = 12?

Back

Divide both sides by 3.

Front

How do you check the solution of an equation?

Back

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

Front

What does it mean to isolate a variable?

Back

To isolate a variable means to manipulate the equation so that the variable is on one side and all other terms are on the other side.

Front

What is the solution to the equation 5x = 20?

Back

The solution is x = 20 / 5 = 4.