Monday, May 13, 2013

what is the solution for |3x-7|=7

Absolute value of a number is its distance (greater than or less than) to 0 
abs%283x-7%29=7 

means: 

3x-7=7 or 3x-7=-7 
now we solve 

3x=14 or 3x=0 

x=14/3 or x=0 

:)

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