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 :

$-7r+4=24$

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

$r=-20/7$

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