Solve 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

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

Back

To isolate a variable, perform the inverse operations in the reverse order of how they are applied.

Front

Solve for x: 2x + 4 = 10

Back

x = 3

Front

Solve for x: 3x - 5 = 16

Back

x = 7

Front

What is the first step to solve the equation 5x = 25?

Back

Divide both sides by 5.

Front

Solve for x: x/4 + 2 = 5

Back

x = 12

Front

What does it mean to 'undo' an operation in algebra?

Back

'Undoing' an operation means to perform the opposite operation to isolate the variable.

Front

Solve for x: 7 = 2x + 1

Back

x = 3

Front

What is the solution to the equation x - 6 = -2?

Back

x = 4

Front

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

Back

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