l 4-3x l=x

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- Apr 28th 2008, 12:45 PMblame_canada100solving equations involving inequalities
l 4-3x l=x

- Apr 28th 2008, 12:51 PMhousefire
|4-3x|=x

If you have an equation with a modulus sign like this, if you square both sides then you'll find both the two values of x that will solve it

so

$\displaystyle (4-3x)^2=x^2$

and then expand and solve to find x