Tìm x biết
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Bài 22. Tìm x biết:
a) \(\frac{7}{4} + x = \frac{3}{5}\)
b) \(1 - 3x = \frac{4}{5}\)
c) \(3 - \frac{2}{5}x = \frac{29}{6}\)
d) \(x - \frac{1}{2} = \frac{1}{2}\)
Bài 23. Tìm x biết:
a) \(x = -1.25 = \frac{-1}{2}\)
b) \(x = \frac{-\frac{2}{3}}{9}\)
c) \(3 - \frac{x}{2} = \frac{2}{5} \cdot \left( \frac{1}{5} \right)^2\)
Bài 22. Tìm x biết:
a) \(\frac{7}{4} + x = \frac{3}{5}\)
b) \(1 - 3x = \frac{4}{5}\)
c) \(3 - \frac{2}{5}x = \frac{29}{6}\)
d) \(x - \frac{1}{2} = \frac{1}{2}\)
Bài 23. Tìm x biết:
a) \(x = -1.25 = \frac{-1}{2}\)
b) \(x = \frac{-\frac{2}{3}}{9}\)
c) \(3 - \frac{x}{2} = \frac{2}{5} \cdot \left( \frac{1}{5} \right)^2\)