Question

$\frac{x}{4} + 20 = \frac{x}{3}$
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Answer 1

Resposta:

$\frac{x}{4} + 2 0= \frac{x}{3} \\ \frac{x + 80}{4} = \frac{x}{3} \\ \frac{3(x + 80)}{12} = \frac{4x}{12} \\ 3x + 240 = 4x \\ 3x - 4x = - 240 \\ - x = - 240 \\ x = 240$