Question 353651
{{{3(2y-7)>=4(3y+4) }}}
{{{6y-21>=12y+16 }}} subtract 12y from each side
{{{-6y-21>=16 }}} add 21 to each side
{{{-6y>=37 }}} divide both sides by -6 (remember to flip the sign)
{{{y<=-37/6}}}

If that wasn't the answer in the book make sure you copied the problem right :)