Question

1/8x + 1/12x + 1/20x = 31
thanks for the last ans can u plz ans this too​

Answer 1

Step-by-step explanation:

$\frac{1}{8x} + \frac{1}{12x} + \frac{1}{20x} = 31 \\ \frac{15+ 10 + 6}{120x} = 31 \\ \frac{31}{120x} =31 \\ 120x = 1 \\ x = \frac{1}{120}$

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Answer 2

Answer:

120

Step-by-step explanation:

$\frac{1}{8} x + \frac{1}{12} x + \frac{1}{20} x = 31$

$\frac{x}{8} + \frac{x}{12} + \frac{x}{20} = 31$

$\frac{15x + 10x + 6x}{120} = 31$

$\frac{31x}{120} = 31$

$x = 31$ × $\frac{120}{31}$

$x = 120$

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