Question

calcule o X na equação :
2 - 1/3 / 1+ 1/4 = x/ 1 + 2/5

Answer 1

$2- \dfrac{ \dfrac{1}{3} }{1} + \dfrac{1}{4} = \dfrac{x}{1} + \dfrac{2}{5} \to\\\\\\ \ 2- \dfrac{1}{3}+ \dfrac{1}{4} = x + \dfrac{2}{5} \to~~~mmc=60\\\\ 120-20+15=60x+24\to\\\\ 120-20+15-24=60x\to\\\\ 91=60x\to\\\\ \boxed{x=\dfrac{91}{60}}$