Question

решите уравнение x/4+x/8=3/2

Answer 1

$\frac{x}{4} + \frac{x}{8} = \frac{3}{2} \\ \\ 8 \times \frac{x}{4} + 8 \times \frac{x}{8} = 8 \times \frac{3}{2} \\ \\ 2x + x = 12 \\ 3x = 12 \div 3 \\ x = 4$