Digital PSAT Math Practice Question 176: Answer and Explanation

Question: 176

If 2x + 3 = 4, what is the value of 6x + 9?

Correct Answer: 12

Explanation:

(12) Triple the given equation 2x + 3 = 4 to give you the equation 6x + 9 = 12:

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Alternatively, if you do not recognize this pattern, solve for x and plug the value into to 6x + 9 = 12 to see the value of the expression.

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