Math, asked by sonarbikram520, 3 months ago

find x so that 1 question (5/7) -3 ×(5/7)-11 = (5/7)7x​

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Answered by sinchudhanvi
1

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Answered by Anonymous
2

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find x so that question :-

( \frac{5}{7} ) - 3x( \frac{5}{7} ) - 11 = ( \frac{5}{7} )7x

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( \frac{5}{7} ) - 3x( \frac{5}{7} ) - 11 = ( \frac{5}{7} )7x

( \frac{ - 15x}{7} )( \frac{ - 55}{7} ) =  \frac{35x}{7}

( \frac{ - 15x - 55}{7} ) =  \frac{35x}{7}

 - 15 x- 55 =  \frac{35x}{7}  \times 7

 - 15x - 55 =  35x

 - 35x - 15x = 55

 - 50x = 55

x =  \frac{55}{ - 50}

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