Question

3\5-15\5Y=3\4 हो तो Y=?

Answer 1

Bhai phle division kro you'll get the answer... means=.6-3Y=.75

Answer 2

Hey mate !

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$\mathsf{ \frac{3}{5} - \frac{15}{y} = \frac{3}{4}} \\ \\ \mathsf{ \implies - \frac{15}{y} = \frac{3}{4} - \frac{3}{5}} \\ \\ \mathsf{ \implies - \frac{15}{y} = \frac{15 - 12}{20} } \\ \\ \mathsf{ \implies - \frac{15}{y} = \frac{3}{20} } \\ \\ \bold{on \: cross \: multiplication.} \\ \\ \mathsf{ \implies 3y = - 300} \\ \\ \mathsf{ \implies y = \frac{ - \cancel {300} \: {}^{100} }{ \cancel{ \: 3 \: }} } \\ \\ \therefore { \boxed {\bold{y = - 100}}}$

Verification :

Putting the value of y = - 100.

$\mathsf{ \frac{3}{5} - \frac{15}{y} = \frac{3}{4}} \\ \\ \mathsf{ \frac{3}{5} - \frac{15}{( - 100)} = \frac{3}{4} } \\ \\ \mathsf { \frac{3}{5} + \frac{15}{100} = \frac{3}{4} } \\ \\ \mathsf{ \frac{60 + 15}{100} = \frac{3}{4} } \\ \\ \mathsf{ \frac{75}{100} = \frac{3}{4} } \\ \\ \mathsf{ \frac{3}{4} = \frac{3}{4} } \\ \\ \bold{lhs = rhs}$

Therefore,

The value of y = - 100.

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Thanks for the question!

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