CurtisNotCurtis CurtisNotCurtis

21-06-2017
Mathematics

contestada

Solve 7x + 6 < 3(x - 2).

{x | x > -3}
{x | x < -3}
{x | x < -2}
{x | x < 0}

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lithiumecho lithiumecho

26-06-2017

7x+6=3x-6
+6 +6
7x+12=3x
-3x -3x
4x+12=0
-4x -4x
divide both sides by -4 but you have to flip the sign.
-3>x
or
{x | x < -3}

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