area = length * width
area = (3x - 2) * 6
area = 18 x - 12 in^2
<em>a = uk/b</em>
<em>u = ab/k</em>
<em>uk = ab</em>
3w-15 is the answer ,
w + w + w-15
( combime like terms )
= 3w - 15