Question

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

Answer 1

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