Two-Step Equations

Front

What is a two-step equation?

Back

A two-step equation is an algebraic equation that requires two operations to solve for the variable.

Front

Solve for c: 3c + 5 = 23

Back

c = 6

Front

What are inverse operations?

Back

Inverse operations are operations that undo one another, such as addition and subtraction or multiplication and division.

Front

What is an equation?

Back

An equation is a mathematical sentence that uses an equal sign to show that two expressions are equal.

Front

Solve for a: 3a - 2 = 4

Back

a = 2

Front

What is the first step to solve the equation: 11 - 3x = 44?

Back

Subtract 11 from both sides.

Front

What does it mean to isolate a variable?

Back

To isolate a variable means to get the variable alone on one side of the equation.

Front

Solve for x: 2x + 4 = 12

Back

x = 4

Front

What is the purpose of using inverse operations in solving equations?

Back

The purpose is to simplify the equation step by step until the variable is isolated.

Front

What is a variable in mathematics?

Back

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