Simplify :
$a / 10 + 2 a / 5$

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Solution

$a / 10 + 2 a / 5$
Taking LCM of $10, 5$ we get $10$
$= (a + 4 a) / 10$
$= 5 a / 10$
$= a / 2$

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Simplify these expressions and find their values if x = 3, a = − 1, b = − 2.

(i) 3x − 5 − x + 9 (ii) 2 − 8x + 4x + 4

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Simplify : (3a/10)+(2a/5)=(7a/25)+(29/25)

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