How do you solve #|7r-4|=24#?

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Answer 1 · 2017-01-28T14:04:20

The solutions are #S={4,-20/7}#

We have 2 equations to solve

First equation :

#7r-4=24#

#7r=24+4=28#

#r=28/7=4#

Second equation :

#-7r+4=24#

#7r=-24+4=-20#

#r=-20/7#