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Question

If $\frac{5 m}{6} + \frac{3 m}{4} = \frac{19}{12}$ , then the value of m is :
-1
-2
1
2

A

1

B

2

C

-1

D

-2

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Solution

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$\frac{5 m}{6} + \frac{3 m}{4} = \frac{19}{12}$

$\frac{10 m + 9 m}{12} = \frac{19}{12}$

$\frac{19 m}{12} = \frac{19}{12}$

$⟹ m = 1$

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