    Sentence 1 Find the least value of 3x|  + 4y if x2y%3 = 6.1 know how to do  by eliminating x and differentiati  But | think there must be a sol  using AM (Arithmetic mean) and  (Geometric mean). What do you think?    Sentence 2 What is the value of  [math}x{/math] if [math]S * {x + 1b =  * yl/math] and [mathl2 * {x + y} = 3  {x - yH/math]?    