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3 votes
Solve for t. 3t -12 < -3 and -6t <12

User James Mudd
by
8.2k points

2 Answers

4 votes
3t-12<-3
add 12 both sides
3t<9
divide both sides by 3
t<3

-6t<12
divide both sides by -6, don't forget to flip sign since multiplying/dividing by a negative
t>-2
User Pratik Sharma
by
9.1k points
1 vote
3t-12<-3
3t<-3+12
3t< 9
t< 3

-6t<12
t>-2
Sign changes when multiplying with minus both sides
User Mikko
by
7.6k points
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