danapearson
danapearson
11-10-2016
Mathematics
contestada
Solve for t. 3t -12 < -3 and -6t <12
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amin112
amin112
11-10-2016
3t-12<-3
3t<-3+12
3t< 9
t< 3
-6t<12
t>-2
Sign changes when multiplying with minus both sides
Answer Link
apologiabiology
apologiabiology
11-10-2016
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
Answer Link
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