Respuesta :
you subtract 4 from 7 so now you have
[tex]3b \geqslant 3[/tex]
Then divide 3 on both sides so you have
[tex]b \geqslant 1[/tex]
[tex]3b \geqslant 3[/tex]
Then divide 3 on both sides so you have
[tex]b \geqslant 1[/tex]