5.4B- Solving Equations with Variables

Front

What is a variable in an equation?

Back

A symbol, often a letter, that represents an unknown number 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 the equation x + 5 = 12?

Back

Subtract 5 from both sides of the equation.

Front

If 3x = 12, what is the value of x?

Back

x = 4.

Front

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

Back

To isolate the variable and find its value.

Front

What does it mean to isolate a variable?

Back

To get the variable alone on one side of the equation.

Front

In the equation 2x + 3 = 11, what is the next step after subtracting 3 from both sides?

Back

Divide both sides by 2.

Front

What is the solution to the equation x - 7 = 2?

Back

x = 9.

Front

What is an equation?

Back

A mathematical statement that two expressions are equal.

Front

What does the equal sign (=) represent in an equation?

Back

It shows that the values on both sides are the same.