Question

Помогите решить уравнение |17-2t|= 17-2t

Answer 1

$|17-2t |=17-2t$

$17-2t geq 0$

$-2t geq -17$

$t leq 8.5$

-------------[8.5]----------------
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$t$ ∈ $(-$ ∞ $;8.5]$

P.S.
 |a |=a ⇔ a≥0

Answer 2

(17-2t)=17-2t
17-2t=17-2t
t€R