Kingmoney113 Kingmoney113

20-09-2018
Mathematics

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-2.6b + 4 = 0.9b - 17

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tramserran tramserran

20-09-2018

-2.6b + 4 = 0.9b - 17

+2.6b +2.6b

4 = 3.5b -17

+17 +17

21 = 3.5b

[tex]\frac{21}{3.5} = \frac{3.5b}{3.5}[/tex]

6 = b

Answer: b = 6

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