Đang chuẩn bị nút TẢI XUỐNG, xin hãy chờ
Tải xuống
Does either statement establish a solvable system of equations (for example, two equations in two variables)? Does a statement seem to merely repeat (paraphrase) all or some of the information in the question? (If so, you can’t answer the question with that statement alone.) Asking yourself questions such as these may in some cases enable you to determine the correct answer choice without doing any more work. Otherwise, proceed to step