Learn guitar chords for FREE through our new game Chord Master: http://bit.ly/ChordMasterYT SAT Prep Question #7 Question: If X-6=5, then (X-6)?=? In problems like this, the point is to see how quickly you can recognize the simplest way to find the solution. In this case you don't necessarily need to solve for X, although solving for X would provide the same answer.? Since the problem is asking for the quantity of (X-6) cubed, you should recognize that you already have the answer provided in the problem.? Solve the Problem 1. Since X-6 is 5, you can use a straight substitution to find (X-6)?.? 2. Substitute the number 5 for (X-6) in the equation. This makes the equation (5)?=? 3. Now you can solve the problem.?(5)?=125. Read more by visiting our page at: http://www.mahalo.com/courses/sat-math-prep/practice-questions/algebraic-substitution/
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