Solving Two Step Equations

Front

What is a two-step equation?

Back

A two-step equation is an algebraic equation that requires two operations to solve for the variable.

Front

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

Back

The first step is usually to isolate the variable by performing the inverse operation on the constant term.

Front

How do you isolate a variable in a two-step equation?

Back

You isolate a variable by performing inverse operations, such as adding or subtracting a number from both sides of the equation.

Front

What is the inverse operation of addition?

Back

The inverse operation of addition is subtraction.

Front

What is the inverse operation of subtraction?

Back

The inverse operation of subtraction is addition.

Front

If you have the equation x + 19 = 50, what is the first step to solve for x?

Back

Subtract 19 from both sides to isolate x.

Front

In the equation x - 31 = 12, what should you do first to solve for x?

Back

Add 31 to both sides to isolate x.

Front

What is the solution to the equation 2x + 4 = 12?

Back

The solution is x = 4.

Front

How do you check your solution for a two-step equation?

Back

You substitute the solution back into the original equation to see if both sides are equal.

Front

What is the solution to the equation 3x - 18 = 0?

Back

The solution is x = 6.