Question

A solução racional da equação (x - 4)/5 - ( x – 5)/2 = (x + 2)/10 é: a)11/3 b)17/3 c)15/4 d)35/4 Porfavor me ajudem

Answer 1

MMc 10:

$\dfrac{x-4}{5}-\dfrac{x-5}{2} = \dfrac{x+2}{10}$

$2x-8+25-5x=x+2$

$4x = 15$

$\boxed{x = \dfrac{15}{4}}$