One Step Equations Add and Subtract

Front

What is the inverse operation of subtraction?

Back

Addition.

Front

What is the solution of the equation 8 = x + 1?

Back

x = 7.

Front

How do you isolate the variable in the equation r + 12 = 25?

Back

Subtract 12 from both sides to get r = 13.

Front

What is the value of x in the equation 17 = x + 3?

Back

x = 14.

Front

How do you solve for x in the equation x - 5 = 20?

Back

Add 5 to both sides to get x = 25.

Front

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

Back

Identify the operation being performed on the variable.

Front

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

Back

To manipulate the equation so that the variable is on one side and all other terms are on the other side.

Front

What is the solution to the equation x + 10 = 15?

Back

x = 5.

Front

If you have the equation 5 = x - 2, how do you solve for x?

Back

Add 2 to both sides to get x = 7.

Front

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

Back

To cancel out terms and isolate the variable.