Question

3 цел 1/3 - 2/3=5,4+0,2x срочно 15 баллов дам

Answer 1

$displaystylett 3frac{1}{3}-frac{2}{3}=5.4+frac{2}{10} x\\\frac{10}{3}-frac{2}{3}=frac{54}{10}+frac{2}{10} x\\\frac{8}{3}-frac{54}{10}=frac{2}{10} x\\\frac{80-162}{30} =frac{2}{10} x\\\frac{-82}{30}=frac{2}{10} x \\\x=frac{-82}{30}:frac{2}{10}=frac{-82}{30}cdotfrac{10}{2}=frac{-82}{6}=-frac{41}{3} =-13frac{2}{3}$