Question

/x-6/+/x-17/-55 при х=5

Answer 1

$|x - 6| + |x - 17| - 55 = \\ = \lbrace x = 5 \rbrace = \\ = |5 - 6| + |5 - 17| - 55 = \\ = | - 1| + | - 12| - 55 = \\ = 13 - 55 = - 42$