Question

найдите значение выражения 7x - | - x - 18,6 | минус 2 при x = - 6,1

Answer 1

$7x - | - x - 18.6| - 2 = 7 \times ( - 6.1) - | - ( - 6.1) - 18.6| - 2 = 42.7 - |6.1 - 18.6| - 2 = 42.7 - | - 12.5| - 2 = 42.7 - 12.5 - 2 = 30.2 - 2 = 28.2$