PSAT Math Grid-Ins Question 103: Answer and Explanation
Question: 103
What value of g satisfies the equation –8(g – 3) = –2g + 6?
Correct Answer: 3
Explanation:
3
The question asks for the value of a variable in an equation. Distribute the –8 through the parentheses on the left side of the equation to yield –8g + 24 = –2g + 6. Add 8g to both sides to get 24 = 6g + 6. Then, subtract 6 from both sides to get 18 = 6g. Divide both sides of the equation by 6 to get 3 = g. The correct answer is 3.
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