Find the value of:

$3 a - 2 b$
$w h e n a = 8, b = 10$

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Solution

The correct option is C 4
$3 a - 2 b, w h e n a = 8, b = 10$

$3 a - 2 b = 3 (8) - 2 (10)$

$= 24 - 20 = 4$

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Find the value of: $3 a - 2 b$ $w h e n a = 8, b = 10$

x = \frac{6 a b}{a + b},

\frac{x + 3 a}{x - 3 a} + \frac{x + 3 b}{x - 3 b} .

3 a - 2 b, w h e n a = 8, b = 10

a

\frac{6}{3 a} + \frac{10}{3 a} = 256

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