How do you solve $abs(x+3)=abs(6x+9)$ ?

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Answer 1 · 2016-04-17T20:50:49

$-6/5$ and $-12/7$

Or the expressions inside the brachets are equal, or they are symmetric:

$|x+3|=|6x+9|$

1) $x+3=6x+9$

$-5x=6$

#x=-6/5

2) $x+3=-(6x+9)$

$x+3=-6x-9)$

$7x=-12$

$x=-12/7$

How do you solve abs(x+3)=abs(6x+9)abs(x+3)=abs(6x+9)?