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2 years ago

7

Please i need your help

1 answer:

Sloan [31]2 years ago

7 0

Answer: 475 Add 5 more.

Step-by-step explanation:

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Step-by-step explanation:

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Plzzz do by step by step it will be helpful to me plz ..!!

Helga [31]

Answer:

$\frac{9a + 7}{2} + (a - \frac{a - 2}{7}) = 36 \\ \\ \frac{9a + 7}{2} + ( \frac{7a}{7} - \frac{a - 2}{7} ) = 36 \\ \\ \frac{9a + 7}{2} + ( \frac{7a }{7} + \frac{ - (a - 2)}{7} ) = 36 \\ \\ \frac{9a + 7}{2} + ( \frac{7a}{7} + \frac{ - a + 2}{7} ) = 36 \\ \\ \frac{9a + 7}{2} +( \frac{7a - a + 2}{7} ) = 36 \\ \\ \frac{9a + 7}{2} + \frac{6a + 2}{7} = 36 \\ \\ \frac{7(9a + 7)}{14} + \frac{2(6a + 2)}{14} = 36 \\ \\ \frac{63a + 49}{14} + \frac{12a + 4}{14} = 36 \\ \\ \frac{63a + 12a + 49 + 4}{14} = 36 \\ \\ \frac{75a + 53}{14} = 36 \\ \\ 75a + 53 = 36 \times 14 \\ \\ 75a + 53 = 504 \\ \\ 75a = 504 - 53 \\ \\ 75a = 451 \\ \\ a = \frac{451}{75} \\ \\ a = 6.013$

I hope I helped you^_^

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3 years ago