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 to solve the equation x/4 + 11 = 20?

Back

Subtract 11 from both sides of the equation.

Front

What is the second step to solve the equation x/4 = 9?

Back

Multiply both sides by 4 to isolate x.

Front

Solve: x/7 - 2 = 8. What is x?

Back

x = 70.

Front

What is the first step to solve the equation x/3 + 5 = -1?

Back

Subtract 5 from both sides of the equation.

Front

Solve: x/12 - 8 = -4. What is x?

Back

x = 48.

Front

What does it mean to isolate the variable in an equation?

Back

Isolating the variable means to get the variable alone on one side of the equation.

Front

Solve: 4x - 8 = -40. What is x?

Back

x = -8.

Front

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

Back

Inverse operations are used to undo the operations applied to the variable, helping to isolate it.

Front

What is the solution to the equation x/3 + 5 = -1?

Back

x = -18.