Glencoe Math: Course 3, Volume 2
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Glencoe Math: Course 3, Volume 2 View details
3. Angles of Triangles
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Exercise 33 Page 396

To solve an equation, we should first gather all of the variable terms on one side and all of the constant terms on the other side using the Properties of Equality. In this case, we need to start by combining like terms to simplify the left-hand side of the equation.
Now, we can continue to solve using the Properties of Equality.
The solution to the equation is