To isolate a single variable when rearranging equations, move all other variables to theof the equation by using on them and remembering to perform that operation . Make sure the rearrangement has the target variable

Explanation:

To isolate a single variable when rearranging equations, move all other variables to the other side of the equation by using its inverse operation on them and remembering to perform that operation on itself. Make sure the rearrangement has the target variable. For example, we can grab a simple equation such as the one below and isolate x.

x - 5y + 3 = 25 ... first we subtract 3 from both sides

x - 5y = 22 ... now we add 5y to both sides which will cancel out the 5y on the left

x = 22 + 5y

And we finally have the x variable isolated.

on passing the small ampere of electric current through the tube made of ar and hg of cfl generates uv rays which excites the fluorescent and thus emits the high radiation by consumption of just 5- 12 w in comparison to incandescent light which requires more power such as around 40 - 55 w to lighten.

moreover the life span of fluorescent or cfl is around 8000 h whereas the life span of incandescent is around 1200 h

hence, the building installed with incandescent lights bears more electricity bill.