Question 239797
x=1
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As we know, all absolute values will yield a positive result.
If 9+9=18, then the first 9 can only be mulitplied by one in order to stay the same and yield the answer given... 18.
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Remember: if you are ever given an equation that says the absolute value of anything equals a negative number, your response would be: "there is no solution".  If you are given a positive result, solve the equation for the variable.
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Hope this helps.