Solving Proportions

Front

What is a proportion?

Back

A proportion is an equation that states that two ratios are equal.

Front

How do you solve for x in the equation 5x = 25?

Back

x = 5

Front

If 3x = 9, what is the value of x?

Back

x = 3

Front

What is the first step to solve the equation 2x = 12?

Back

Divide both sides by 2.

Front

What is the solution to the equation 2x = 12?

Back

x = 6

Front

What does it mean to isolate the variable in an equation?

Back

To isolate the variable means to get the variable alone on one side of the equation.

Front

If x/4 = 3, how do you solve for x?

Back

Multiply both sides by 4 to get x = 12.

Front

What is the value of x in the equation 4x = 16?

Back

x = 4

Front

How do you check if your solution for x is correct?

Back

Substitute the value of x back into the original equation.

Front

What is the solution to the equation 6x = 36?

Back

x = 6