How do you solve the equation $abs(1-1/5x)=3$ ?

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Answer 1 · 2017-04-06T09:34:49

$x in {20, -10}$

$1 - x/5 = ± 3$

Add $-1$ , after that multiply by $-5$ .

$- x/5 = -1 ± 3$

$x/5 = +1 ± 3$

$x = 5 ± 15$

How do you solve the equation abs(1-1/5x)=3abs(1-1/5x)=3?