Solve One-Step (+/-) Equations

Front

What is the first step to solve the equation x - 62 = 123?

Back

Add 62 to each side of the equation.

Front

If James will be 49 in 12 years, how do you find his current age?

Back

Subtract 12 from 49 to find that James is currently 37 years old.

Front

What is the inverse operation of subtraction?

Back

Addition.

Front

How do you isolate the variable in the equation x - 8 = -5?

Back

Add 8 to both sides of the equation.

Front

What is the solution to the equation x - 5.5 = 10.5?

Back

x = 16.

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 3 + x = 10?

Back

x = 7.

Front

How do you check your solution for the equation x - 8 = -5?

Back

Substitute x = 3 back into the equation to see if both sides are equal.

Front

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

Back

To undo operations and isolate the variable.

Front

What is the solution to the equation x + 15 = 25?

Back

x = 10.