If xx-1-45- then what is the value of x-

The correct option is C 4 xx+1=45 ⇒ 5x=4x+4 ⇒ x=4 ...

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Solving Equations with Variables on Both Sides

If xx+1=45,...

Question

If $\frac{x}{x + 1} = \frac{4}{5}$ , then what is the value of $x$ ?

6

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Solution

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Similar questions

x

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

\frac{1}{4} \times \frac{2}{6} \times \frac{3}{8} \times \frac{4}{10} \times \frac{5}{12} \times . . . . . \times \frac{31}{64} = \frac{1}{2^{x}}

x

x = \frac{4}{(\sqrt{5} + 1) (\sqrt[4]{5} + 1) (\sqrt[8]{5} + 1) (\sqrt[16]{5} + 1)}

(1 + x)^{48}

If $\frac{4 x + 8}{5 x + 8} = \frac{5}{6}$ , then x = ?

(a) 4

(b) 6

(d) 12

x = 5 - 4 \sqrt{6}

\frac{1}{x}

= - \frac{5 + 4 \sqrt{6}}{m}

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