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I 4b - 3 I + 2 = 8 need help

I 4b - 3 I + 2 = 8 need help
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I  4b - 3  I  + 2 = 8

need help

User Claudio Albertin
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1 Answer

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|4b - 3 | + 2 = 8\\ |4b-3|=6\\ 4b-3=6 \vee 4b-3=-6\\ 4b=9 \vee 4b=-3\\ b=(9)/(4) \vee b=-(3)/(4)
User InContext
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