Posted by rose on .
solve this in 3 variables..
i don't know where to start,,:((
y/4+z/3x/2=4
y/2x/6+z/15=2
y/8+z/5x/3=2

math 
helper,
first find the LCD then solve as you would simultaneous equations in three unknowns
try it and post back if you need more help