Question

Rezolvati ecuația x•1/4 - x/5 = 10

Answer 1

$x \times \frac{1}{4} - \frac{x}{5} = 10 \\ \\ \frac{x}{4} - \frac{x}{5} = 10 \\ \\ \frac{x}{20} = 10 \\ \\ x = 10 \times 20 = 200$

Answer 2

1/4x-x/5=10
5x-4x=200
x=200