Question

решите неравенство:

 5y+9<3-7y

Answer 1

 5y+9<3-7y

5у+7у<3-9

12у<-6

у<-6/12

у<-1/2

Answer 2

5y+9<3-7y

5у+7у < 3-9

12y < -6

y < -1/2