Two-Step Variable Flashcard

Front

What is a variable in mathematics?

Back

A symbol used to represent an unknown value in an equation or expression.

Front

What does it mean to solve an equation?

Back

To find the value of the variable that makes the equation true.

Front

What is a two-step equation?

Back

An equation that requires two operations to isolate the variable.

Front

How do you isolate a variable in an equation?

Back

By performing inverse operations to both sides of the equation.

Front

What is the first step to solve the equation 3(y + 4) = 27?

Back

Distribute the 3 to both terms inside the parentheses.

Front

What is the solution to the equation 3(y + 4) = 27?

Back

y = 5.

Front

What is the first step to solve the equation 7c - 9 = 30?

Back

Add 9 to both sides of the equation.

Front

What is the solution to the equation 7c - 9 = 30?

Back

c = 5.57.

Front

What is the first step to solve the equation 5(a - 3) = 40?

Back

Distribute the 5 to both terms inside the parentheses.

Front

What is the solution to the equation 5(a - 3) = 40?

Back

a = 11.