Solve the inequality-5a-12<-18
- 5a - 12 < -18Add 12 to each side:-5a < -6Divide each side by 5 :-a < -1.2a > 1.2
\(-5a-12 < -18\ \ \ /+12\\\\-5a < -6\ \ \ \ /:(-5) < 0\ \then\ change\ " < " to\ " > "\\\\a > 1.2\\\\a\in(1.2;\ \infty)\)
