Question

решите уравнение:
x/3 + x/12 = 15/4

Answer 1

x x 15
- + - = -
3 12 4

4x+x=45
5x=45
x=9

Answer 2

$frac{x}{3} + frac{x}{12} = frac{15}{4} \ 5x = 45 \x = 9$