Originally Posted by Iudei
If you're new to strength training, you probably have neither strength nor 30 lbs of muscle to spare.
Unless this is about some serious medical condition or whatever, take a look at the FAQs, pick a beginner routine and get to work. Once you've built a semi-decent level of strength and expertise with the technique for the basic lifts, attaining your bodyweight/body composition goals will be much easier.
Also, consider a visit to the diet subforum.