Question

qual o valor de x em fração?
$\frac{ 720x}{5} + \frac{720 x}{4} = 720$
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Answer 1

$\blue{\boxed{\begin{array}{l}\sf\dfrac{720x}{5}+\dfrac{720x}{4}=720\\\sf144x+180x=720\\\sf324x=720\\\sf x=\dfrac{720}{324}\\\sf x=\dfrac{20}{9}\end{array}}}$