单项选择题

Which of the following equations can be used to find the value of x if 7 less than 5xis 5 more than the product of 3 and x（）

A. 5x-7=5+3x
B. 5x-7=5+(3+x)
C. 7-5x=5+3x
D. 7-5x=(5+3)x
E. 7-5x+5=3x

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单项选择题
If x2=68，which of the following could betrue（）

A. -9＜x＜-8
B. -8＜x＜-7
C. -8＜x＜8
D. 7＜x＜8
E. 9＜x＜10
单项选择题
On a number line，the distance between the two points with coordinates -5 and 1 is bow much 1ess than the distance between the two points with coordinates 2 and 14？（）

A. 6
B. 8
C. 10
D. 12
E. 16
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