Question

Решите уравнение 7+х/10=х+9/5

Answer 1

$7 + frac{x}{10} = x + frac{9}{5} = 7 + 0.5x = x + 1.8 \ - 0.5x = - 5.2 \ x = 10.4 = 10 frac{2}{5}$

Answer 2

(х-10х)/10=(9-35)/7

Answer 3

-9х/10= -26/7

Answer 4

-63х= -260

Answer 5

хотя так не вышло

Answer 6

извини