How can you simplify the expression on the left side of the equation?
Use the distributive property.
What does the equation look like when you simplify the left side?
What next step can you take to solve this equation?
Answers vary; students should understand that they need to combine the variable terms on one side and the constant terms on the other.
Solve the equation. What is the value of
How can you verify that
Substitute the value back into the original equation.
When you substitute
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