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Elimination Method of Finding Solution of a Pair of Linear Equations

Solve 7x-34+...

Question

Solve
$7 x - 3 (4 + x) = 15$ .

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Solution

$7 x - 3 (4 + x) = 15$

$7 x - 12 - 3 x = 15$

$4 x = 27$

$x = \frac{27}{4}$

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Similar questions

\frac{x}{x + 1} + \frac{x + 1}{x} = \frac{34}{15}

x : 15 x^{2} - 7 x - 36 = 0

7 x - 15 = 6 (x + 2)

x : \frac{x}{x + 1} + \frac{x + 1}{x} = \frac{34}{15}

(\frac{1}{7} \times \frac{15}{34}) \times

(\frac{1}{7} \times \frac{2}{3}) \times \frac{15}{34}

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