2 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

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

Back

You isolate a variable by performing inverse operations in reverse order of operations.

Front

What is the first step to solve the equation 2x + 3 = 11?

Back

Subtract 3 from both sides to get 2x = 8.

Front

What is the solution to the equation 3x - 4 = 5?

Back

x = 3.

Front

How do you check the solution of an equation?

Back

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

Front

What does it mean to 'add a negative' in an equation?

Back

Adding a negative is the same as subtracting a positive number.

Front

What is the solution to the equation 5 + 4x = 25?

Back

x = 5.

Front

What is the first step to solve the equation x/2 = 6?

Back

Multiply both sides by 2 to get x = 12.

Front

What is the value of x in the equation 2x - 9 = 5?

Back

x = 7.

Front

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

Back

Inverse operations help to undo the operations applied to the variable, allowing us to isolate it.