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5(3b-3) - 3(3b -7)=12 |
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Answer» ONG>Answer: At first OPEN the bracket so, 15b -15-9B+21 =12 Now, 15b - 9b - 15+ 21 = 12 6b - 6 = 12 6b = 12-6 6b= 6 b = 6/6 = 1 Hence, b =1 |
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