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Mathematics
Janiya Mcmillan
12 March, 22:23
Find the sum or difference (5b-9) - 3 (8-2b)
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Tyson Hunter
12 March, 23:26
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Simplifying (5b + - 9) + - 3 (8 + - 2b) = 0 Reorder the terms: (-9 + 5b) + - 3 (8 + - 2b) = 0 Remove parenthesis around (-9 + 5b) - 9 + 5b + - 3 (8 + - 2b) = 0 - 9 + 5b + (8 * - 3 + - 2b * - 3) = 0 - 9 + 5b + (-24 + 6b) = 0 Reorder the terms: - 9 + - 24 + 5b + 6b = 0 Combine like terms: - 9 + - 24 = - 33 - 33 + 5b + 6b = 0 Combine like terms: 5b + 6b = 11b - 33 + 11b = 0 Solving - 33 + 11b = 0 Solving for variable 'b'. Move all terms containing b to the left, all other terms to the right. Add '33' to each side of the equation. - 33 + 33 + 11b = 0 + 33 Combine like terms: - 33 + 33 = 0 0 + 11b = 0 + 33 11b = 0 + 33 Combine like terms: 0 + 33 = 33 11b = 33
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Dylan Rush
13 March, 02:19
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-3 (8-2b)
-24 + 6b + 5b - 9
-15b + 11b.
Can also be expressed as 11 (b - 3)
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