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.

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Back

Add 5 to both sides.

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Back

Subtract 11 from both sides.

Front

Back

a = -2.

Front

Write the equation for the model: 3x + 6 = ?

Back

3x + 6 = -9.

Front

Back

a = -5.

Front

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

Back

Isolating the variable means to manipulate the equation so that the variable is on one side and all other terms are on the opposite side.

Front

What is the purpose of performing the same operation on both sides of an equation?

Back

To maintain the equality of the equation while simplifying or solving for the variable.

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Back

x = 6.

Front

Back

Add 3 to both sides.