SOLUTION: absolute value l -10-10a l < 60 (the l are the absolute value signs) I know the answer is a<5 and a>-7. I just don't know how to get that answer.
Thank you!
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-> SOLUTION: absolute value l -10-10a l < 60 (the l are the absolute value signs) I know the answer is a<5 and a>-7. I just don't know how to get that answer.
Thank you!
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Question 568278: absolute value l -10-10a l < 60 (the l are the absolute value signs) I know the answer is a<5 and a>-7. I just don't know how to get that answer.
Thank you! Answer by stanbon(75887) (Show Source):
You can put this solution on YOUR website! | -10-10a | < 60
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-60 < -10-10a < 60
Add 10 along the line:
-50 < -10a < 70
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Divide thru by -10.
Remember to reverse the inequality when you divide by a negative:
-7 < a < 5
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Cheers,
Stan H.
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