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Katherine Little
Mathematics
9 August, 07:39
3b-2 / 2 = b-2 / 4 solve the proportion
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Saniyah Roberts
9 August, 07:44
0
b=2/5
Step-by-step explanation:
(3b-2) / 2 = (b-2) / 4
cross product
2 (b-2) = 4 (3b-2)
2b-4=12b-8
2b-12b-4=-8
-10b-4=-8
-10b=-8+4
-10b=-4
10b=4
b=4/10
simplify
b=2/5
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