Question

решите уравнение 1/6x +5/12x=8.4

Answer 1

1/6x+5/12x=8,4 => $frac{(2+5)x}{12} = frac{84}{10} => frac{7x}{12} = frac{42}{5} => x= frac{12*42}{5*7} = frac{12*6}{5} = frac{72}{5} =14,4$