# algebra

solve using the multiplication principle -3a<-15

solve usins addition and multiplication 3c+4<-6
3c+4-4<-6+4
3c<-2
3c/3<2/3
c<-2/3 is this right

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1. No.

Your error is in this line:

3c+4-4<-6+4

You should subtract 4 from both sides.

-6 and -4 = -10

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