Question

x-1/4=3/7 решите пожалуйста 1/2•x+1/3•x=5/6

Answer 1

$x - frac{1}{4} = frac{3}{7} \ \ x = frac{3}{7} + frac{1}{4} \ \ x = frac{19}{28} \ \ \ frac{1}{2} x + frac{1}{3} x = frac{5}{6} \ \ 3x + 2x = 5 \ 5x = 5 \ x = 1$