krazykid7 krazykid7

19-10-2020
Mathematics

contestada

[tex] \frac{b - 4}{6 } = \frac{b}{2} [/tex]
Can somene explain how to do this please.

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cromulent cromulent

19-10-2020

Use cross-multiplication

[tex]\frac{b - 4}{6} = \frac{b}{2}\\2(b- 4) = 6b\\2b - 8 = 6b\\2b - 6b = 8\\-4b = 8\\b = -2[/tex]

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