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Absolute value:
Absolute value of a number a is the distance between a and 0 on the number line.
Since distance is never negative, absolute value is never negative. The absolute
value of a negative number is the number itself.
The expression is .
(Substitute in the expresssion)
(Subtract: )
(By definition; absolute value of – 14 is 14)
The equation is true.
The given number is a solution to the equation.
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