One Variable Equations

Front

What is a one variable equation?

Back

A one variable equation is an equation that contains only one variable, which can be solved to find the value of that variable.

Front

Solve for r: 5r = 100

Back

r = 20

Front

Solve for x: 4x = 28

Back

x = 7

Front

Solve for p: 15p = 45

Back

p = 3

Front

Solve for k: 25k = 100

Back

k = 4

Front

Solve for a: 8a = 40

Back

a = 5

Front

What is the first step in solving a one variable equation?

Back

The first step is to isolate the variable by performing inverse operations.

Front

What does it mean to isolate a variable?

Back

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

Front

What is the inverse operation of multiplication?

Back

The inverse operation of multiplication is division.

Front

What is the inverse operation of addition?

Back

The inverse operation of addition is subtraction.