What was the mistake? * бu — 4 бu — 7 -8u – 2 бu – 7 Step 1: (6u — 4) - (-8u – 2) бu – 7 Step 2: бu — 8u — 4 — 2 бu – 7 Step 3: -2u - 6 бu - 7

What was the mistake? * бu — 4 бu — 7 -8u – 2 бu – 7 Step 1: (6u — 4) - (-8u – 2) бu – 7 Step 2: бu — 8u — 4 — 2 бu – 7 Step 3: -2u - 6 бu - 7

asked Oct 13, 2021 16.2k views

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