How do you solve $| 4 x | - 12 = 4$ $|4x| - 12 = 4$ ?

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How do you solve $| 4 x | - 12 = 4$ $|4x| - 12 = 4$ ?

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Answer 1 · 2016-03-05T20:08:58

The solutions are $4, - 4$ $4,-4$

Explanation:

It is

$| 4 x | - 12 = 4 \Rightarrow | 4 x | = 12 + 4 \Rightarrow 4 \cdot | x | = 16 \Rightarrow | x | = 4 \Rightarrow x = + 4 or x = - 4$ $|4x| - 12 = 4=>abs(4x)=12+4=>4*absx=16=> absx=4=>x=+4 or x=-4$

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How do you solve $| 4 x | - 12 = 4$ $|4x| - 12 = 4$ ?

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How do you solve |4x| - 12 = 4|4x|−12=4|4x| - 12 = 4?

1 Answer

Explanation:

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How do you solve $| 4 x | - 12 = 4$ $|4x| - 12 = 4$ ?