Question 626269
solution in interval notation for 
|5x+10|>=15
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|5x+10| >= 15
Case 1:
5x + 10 >= 15
x + 2 >=3
x >= 1
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Case 2:
-5x - 10 >= 15
-x - 2 >= 5
-x >= 7
x <= -7
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-inf <= x <= -7 and 1 <= x <= inf