Question

Решите уравнение 5х + 10х = 20 + 15.

Answer 1

5х + 10х = 20 + 15;

15x = 35;

$x=frac{35}{15}= frac{7}{3} =2frac{1}{3} .$

Answer 2

$5x + 10x = 20 + 15 \ 15x = 35 \ x = 35 div 15 \ x = frac{7}{3} \ x = 2 frac{1}{3}$