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Reducing simple equations to simpler form - class-IX
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Solve for $x$:
$\dfrac {9x}{7-6x}=15$
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A
$\dfrac{105}{99}$
💡 Explanation:
$\dfrac{9x}{7 - 6x} = 15$
$9x = 15(7 - 6x) = 105 - 90x$
$9x + 90x = 105 $
$99x = 105$
$x = \dfrac{105}{99}$