SOLUTION: absolute value of x+10 less than or equal to 9

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Question 667375: absolute value of x+10 less than or equal to 9
Answer by MathLover1(20850) About Me  (Show Source):
You can put this solution on YOUR website!
abs%28x%2B10%29+%3C=+9
solution:
x%2B10+%3C=+9 and -%28x%2B10%29+%3C=+9
if x%2B10+%3C=+9, then x%3C=+9-10...=>..x%3C=-1
if -%28x%2B10%29+%3C=+9, then -x-10%3C=+9-10...=>..-x%3C=9%2B10..=>..-x%3C=19..=>..x%3E=-19
so, solution is
-19%3C=x%3C=-1