I'm confused about this math question. I know how to solve it (x=2.7), though my teacher is looking for an explanation and I'm not sure how too. Question: 4x-5(x-3)=-3x+12(x-1)

Will mark brainlist what is the slope of the line passing through the points (-2, -8) and (-3,-9)? -7/5-5/71-1

Abook store is having a 30 perscent off sale. diary of the wimpy kid books are now 6.30 dollars each what was the original price of the books

The hockey team has been great! in 2008 they won 20% more games than in 2007. in 2009 they won 50% more games than in 2008. what was their overall percentage increase from 2007 through 2009?