-5[6 ÷ 3 x (-2)] - [9 - (-5) x 2]
-5[6 ÷ 3 x (-2)] - [9 - (-5) x 2]
= -5[(6/3) x (-2)] - [9 - (-5) x 2]
= -5[2 x (-2)] - [9 - (-10)]
= -5[-4] - [9 + 10]
= 20 - 19
= 1
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