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Question Number 121957 by mlj5 last updated on 13/Nov/20

$$resoudreequation\mid -2x-\sqrt{3/}4\mid =5-2\sqrt{7}$$

Commented by MJS_new last updated on 13/Nov/20

$$\mathrm{what}\mathrm{does}[...]\mathrm{mean}?\mathrm{usually}{\mathrm{it}}^{\prime }\mathrm{s}\mathrm{the}\mathrm{greatest}$$$$\mathrm{integer}\mathrm{function},\mathrm{in}\mathrm{this}\mathrm{case}\mathrm{the}\mathrm{equation}$$$$\mathrm{has}\mathrm{no}\mathrm{solution}:[...]\in \mathbb{Z}\mathrm{but}5-2\sqrt{7}\notin \mathbb{Z}$$

Commented by mlj5 last updated on 13/Nov/20

$$pleasehelp\mid -2x-\sqrt{3/}4\mid =5-2\sqrt{7}$$

Commented by MJS_new last updated on 13/Nov/20

$$\mathrm{if}{\mathrm{it}}^{\prime }\mathrm{s}\mathrm{absolute}(-2x-\frac{\sqrt{3}}{4})\mathrm{we}\mathrm{have}\mathrm{no}$$$$\mathrm{solution}\mathrm{again}\mathrm{because}\mathrm{abs}\left(X\right)⩾0\mathrm{but}$$$$5-2\sqrt{7}<0$$

Commented by mlj5 last updated on 13/Nov/20

$$thanks$$

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