BEST: Variables on Both Sides Equations

Front

What is a variable in an equation?

Back

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

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 the first step in solving an equation with variables on both sides?

Back

Combine like terms on both sides of the equation.

Front

How do you isolate a variable in an equation?

Back

By performing inverse operations to get the variable alone on one side of the equation.

Front

What is the solution to the equation 7x - 11 = 5x + 25?

Back

x = 18.

Front

What does it mean for vertical angles to be equal?

Back

Vertical angles are formed by two intersecting lines and are always equal in measure.

Front

What is the solution to the equation 2x = x + 3?

Back

x = 3.

Front

What is the process of checking your solution in an equation?

Back

Substituting the solution back into the original equation to verify that both sides are equal.

Front

What is the solution to the equation 10x + 9 = 4x - 9?

Back

x = -3.

Front

What does it mean to set two expressions equal to each other?

Back

It means to create an equation that states the two expressions have the same value.