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:
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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