Question

Resolva a equação a seguir: 5/x - 2 = ¼ *

Answer 1

$\frac{5}{x}-2=\frac{1}{4}\\\frac{5}{x}\cdot \:4x-2\cdot \:4x=\frac{1}{4}\cdot \:4x\\20-8x=x\\20-8x-20=x-20\\-8x=x-20\\-8x-x=x-20-x\\-9x=-20\\\frac{-9x}{-9}=\frac{-20}{-9}\\x=\frac{20}{9}$