Question

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Answer 1

$| x - \frac{3}{4} | = \frac{5}{8}$

<=>

$x - \frac{3}{4} = \frac{5}{8}$

sau

$x - \frac{3}{4} = - \frac{5}{8}$

$x - \frac{3}{4} = \frac{5}{8}$

$x = \frac{5}{8} + \frac{3}{4} = \frac{5}{8} + \frac{6}{8} = \frac{11}{8}$

$x - \frac{3}{4} = - \frac{5}{8}$

$x = - \frac{5}{8} + \frac{3}{4} = - \frac{5}{8} + \frac{6}{8} = \frac{1}{8}$

Answer 2

Caz I
x - 3/4 = 5/8
x = 5/8 + 3/4
x = 11/8

Caz II
3/4 - x = 5/8
- x = 5/8 - 3/4
- x = - 1/8
x = 1/8