So starting with the question which is 4x-3=2x+13 All you have do is subtract 2x from 4x which is 2x So now the equation will become 2x-3=13 Minus 3 on both sides So 2x is left over 2x=16 X=8
Marquise has 200 meters of fencing to build a rectangular garden. the garden's area (in square meters) as a function of the garden's width w w (in meters) is modeled by: a ( w ) = − w 2 + 1 0 0 w a(w)=−w 2 +100w what side width will produce the maximum garden area? meters