Mathematics: How to solve all fraction algebra?

How to solve all fraction algebra? - id14305183, lorip7799ov3qr0

Ответ:

hemaam8

10.09.2021

$- \frac{1}{5} - \frac{4}{9} a = \frac{2}{15}$

$- \frac{4}{9} a = \frac{2}{15} + \frac{1}{5} \\ \\ - \frac{4}{9} a = \frac{1}{3 } \\ \\ ( - 4 \times 3)a = (1 \times 9) \\ - 12a = 9 \\ a = - \frac{9}{12} \\ \\ { \underline{ \: \: a = - \frac{3}{4} \: \: }}$

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Ответ:

megamegs80

30.09.2022

Mathematics

12.5% = .125
.125 * £168 = £21
£21

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How to solve all fraction algebra?

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