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Anthony Evans
Mathematics
29 October, 05:00
20 - 9w = 4 (15 - w) solve for w
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Stephanie Cardenas
29 October, 05:14
0
20-9w=4 (15-w)
20-9w=60-4w
+9w + 9w
20 = 60+5w
-60 - 60
-40=5w
Divide by 5 on both sides to get w alone.
-8 = w
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Easton Webster
29 October, 05:14
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w = - 8
Step-by-step explanation:
step 1: (20 - 9w) - 4 • (15 - w) = 0
step 2: - 5w - 40 = - 5 • (w + 8)
step 3: - 5 • (w + 8) = 0
step 4: Subtract 8 from both sides of the equation:
w = - 8
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