Tim x
----- Nội dung ảnh -----
1) \(\frac{5}{4} 1 - x 1 = \frac{1}{2} x - 1\)
2) \(2 \cdot \left(\frac{3}{4}\right)^2 - \frac{3}{8} = \left(\frac{3}{4}\right)\)
3) \( (3x - 5) = \left|\frac{1}{2} x + 3\right| \)
4) \( \frac{1}{12} \cdot \frac{4}{21} = \frac{3^{-\frac{1}{2}}}{\sqrt{x+1} - 1} \cdot \left| 1 + x \right| \)
1) \(\frac{5}{4} 1 - x 1 = \frac{1}{2} x - 1\)
2) \(2 \cdot \left(\frac{3}{4}\right)^2 - \frac{3}{8} = \left(\frac{3}{4}\right)\)
3) \( (3x - 5) = \left|\frac{1}{2} x + 3\right| \)
4) \( \frac{1}{12} \cdot \frac{4}{21} = \frac{3^{-\frac{1}{2}}}{\sqrt{x+1} - 1} \cdot \left| 1 + x \right| \)