SAT官方每日一题附答案和解析[数学](2018年5月17日)
日期:2018-05-17 09:52
(单词翻译:单击)
每日一题
Mathematics
-3(x+3)-8=6-4x
Which of the following is the solution to the equation shown?
A.x=11
B.x=-11
C.x=23
D.x=-23
答案和解析
答案：C
解析：
Option C is correct. To solve -3(x+3)-8=6-4x, first use the distributive property on the left side of the equation to yield -3x-9-8=6-4x. Combining like terms on both sides of the equation yields -3x-17=6-4x. Finally, isolating x on one side of the equation reveals that x=23.
