Im just wondering if some this question is right? |7 - x| = 9 |x| = 9 - 7 x = 2. I was wondering if it would be a negitive 2 or a positive. Thanks!
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Originally Posted by omgitzbella Im just wondering if some this question is right? |7 - x| = 9 |x| = 9 - 7 x = 2. I was wondering if it would be a negitive 2 or a positive. Thanks! This is not correct. To get rid of the absolute value bars, you need to square both sides of the equation: You take it from here. (And make sure to check your solutions back in the original equation.) -Dan
Think of what can be if . Obviously you can have and , so we can have: or So the solutions are
Thank you =)
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