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 reverse order: first undo addition or subtraction, then undo multiplication or division.

Front

Solve for x: 4x + 22 = -34

Back

x = -14

Front

Solve for x: 4x + 7 = 23

Back

x = 4

Front

Solve for x: x / 2 - 5 = 3

Back

x = 16

Front

Solve for x: 2x + 6 = 14

Back

x = 4

Front

What is the first step to solve the equation 3x - 5 = 10?

Back

Add 5 to both sides to get 3x = 15.

Front

What is the second step to solve the equation 3x = 15?

Back

Divide both sides by 3 to get x = 5.

Front

Write an equation for: 331 students went on a field trip. Six buses were filled and 7 students traveled in cars. How many students were in each bus?

Back

331 = 6x + 7.

Front

What does 'x' represent in the equation 4x + 7 = 23?

Back

'x' represents the number of items or quantity that we are trying to find.