One-Step Equations

Front

What is the first step to isolate the variable in the equation x + 7 = 12?

Back

Subtract 7 from both sides of the equation.

Front

How do you represent the situation: Robyn had some video games then bought 4 more, and now she has a total of 10 games?

Back

The equation is v + 4 = 10.

Front

What operation would you use to solve the equation 234 + N = 389?

Back

You would use subtraction to isolate N.

Front

How do you isolate the variable in the equation 7x = 42?

Back

Divide both sides by 7.

Front

Translate the phrase '4 more than x equals 7' into an equation.

Back

The equation is x + 4 = 7.

Front

What is the solution to the equation x + 4 = 7?

Back

x = 3.

Front

What is the solution to the equation x + 7 = 12?

Back

x = 5.

Front

In the equation 7x = 42, what is the value of x?

Back

x = 6.

Front

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

Back

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

Front

What is the purpose of performing the same operation on both sides of an equation?

Back

To maintain the equality of the equation.