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Mathematics 16 Online
OpenStudy (anonymous):

-2/5x - 9 < 9/10? Help please.

jimthompson5910 (jim_thompson5910):

Start off by multiplying every term by the LCD 10

jimthompson5910 (jim_thompson5910):

-2/5x - 9 < 9/10 10*(-2/5x) - 10*9 < 10*(9/10) 2*(-2x) - 90 < 9 -4x - 90 < 9

jimthompson5910 (jim_thompson5910):

I'll let you finish

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