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Change the subject of the formulae to b::: 8a + 3b = 12. And 3b^2=27
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Change the subject of the formulae to b::: 8a + 3b = 12. And 3b^2=27

User Biswas Khayargoli
by
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1 Answer

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8a + 3b = 12
3b = 12 - 8a


b = (12-8a)/(3)


And...

3b^2 = 27
b^2 = 9

b = \pm 3
b = 3
b = -3
User GenericJam
by
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