paw32diamond
paw32diamond
30-06-2014
Mathematics
Answered
Solve the inequality
-5a-12<-18
Answer :
AL2006
AL2006
30-06-2014
- 5a - 12 < -18
Add 12 to each side:
-5a < -6
Divide each side by 5 :
-a < -1.2
a > 1.2
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Аноним
Аноним
30-06-2014
[tex]-5a-12 < -18\ \ \ /+12\\\\-5a < -6\ \ \ \ /:(-5) < 0\ \then\ change\ " < " to\ " > "\\\\a > 1.2\\\\a\in(1.2;\ \infty)[/tex]
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