Jadenkangas157 Jadenkangas157

16-05-2018
Mathematics

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Solve the equation: -|b+4|+1=10 Select one: a. b=-15 or b=7 b. no solution c. b=5 or b=-13 d. b=-5 or b=13

Respuesta :

16-05-2018

[tex]-|b+4|+1=10\ \ \ |-1\\\\-|b+4|=9\ \ \ |change\ signs\\\\|b+4|=-9\ FALSE![/tex]

Because for any x we have |x| ≥ 0!

Answer: b. NO SOLUTION.

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