Devagya Raman answered question 12/28/2010 How to solve 2/3y + 1/2=1/7? 2/3Y=1/7-1/2 2/3Y=[2-7]/14 2/3Y=-5/14 Y=-5/14 - 2/3 Y=[ 15-28 ]/ 42 Y=[- 13]/42
Devagya Raman answered question 12/28/2010 Topics of working models of science for class 9? Automatic fire alarm
