Question

(40x/100)+(50x/100)+20=x​

Answer 1

Answer:

$\frac{4x}{100} + \frac{50x}{100} + 20 = x \\ \\ = > \frac{4x + 50x + 2000}{100} = x \\ \\ = > \frac{54x + 2000}{100} = x \\ \\ = > 54x + 2000 = 100x \\ \\ = > 54x - 100x = - 2000 \\ \\ = > - 46x = - 2000 \\ \\ = > 46x = 2000 \\ ( - \: and \: - \: cancelled) \\ \\ = > x = \frac{2000}{46} \\ \\ = >x = 43.47$

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