Solving equations with one variable (easy)

Front

What is an equation?

Back

An equation is a mathematical statement that shows that two expressions are equal, using an equal sign (=).

Front

What does it mean to solve an equation?

Back

To solve an equation means to find the value of the variable that makes the equation true.

Front

What is a variable in an equation?

Back

A variable is a letter or symbol that represents an unknown number in an equation.

Front

What is the goal when solving for x in an equation like x + 12 = 20?

Back

The goal is to find the value of x that makes the equation true.

Front

How do you isolate a variable in an equation?

Back

You isolate a variable by performing operations to both sides of the equation to get the variable by itself.

Front

What is the first step to solve x + 12 = 20?

Back

Subtract 12 from both sides of the equation.

Front

What is the solution to the equation 6b = 30?

Back

b = 5.

Front

How do you solve the equation 3x = 27?

Back

Divide both sides by 3 to find x.

Front

What does the equation 4p = 16 tell us about p?

Back

To find p, divide both sides by 4.

Front

What is the solution to the equation 85 - B = 15?

Back

B = 70.