Physics, asked by vramana1695, 11 months ago

9x+7/2-[x-x-2/7]=36 then x=?

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Answered by abhishek65555
1

Explanation:

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Answered by ciola
0

Explanation:

\frac{9x + 7}{2}  - (x -  \frac{x - 2}{7} ) = 36 \\  \frac{9x + 7}{2}  -  (\frac{7(x) - (x - 2)}{7} ) = 36 \\  \frac{9x + 7}{2} -(\frac{7x -(x - 2) }{7} ) = 36 \\   \frac{9x + 7}{2}  - ( \frac{7x - x + 2}{7} ) = 36 \\  \frac{9x + 7}{2}  -  \frac{6x + 2}{7}= 36 \\  \frac{7(9x + 7) - 2(6x + 2)}{14}  = 36 \\  \frac{63x + 49 - 12x - 4}{14}  = 36 \\ 63x + 49 - 12x - 4 = 36 \times 14 \\ 51x + 45 = 504 \\ 51x = 504 - 45 \\ 51x = 459 \\ x =  \frac{459}{51}  \\ \boxed{ x = \underline{ \underline{ \bf 9}}}

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