Question

Найдите корень уравнения frac{11}{x+3} =10

Answer 1

$frac{11}{x + 3} = 10$
x ≠ -3
$11 = 10(x + 3) \ 11 = 10x + 30 \ - 10x = 30 - 11 \ - 10x = 19 \ x = - frac{19}{10} = - 1 frac{9}{10} = - 1.9$