问答题

These exercises are designed to help you apply the mathematics concepts just covered. They are not in GRE format, but should help you to identify your areas of strength and weakness.
Linear Equations with One Variable
These questions will test your knowledge of linear equations involving one variable.
Solve the following equations.

For which values of x is 2x-5<-3x+20

【参考答案】

The first step in solving this problem is to isolate the va......

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问答题
231.2-198.7= ______