Through trial and error:
(7x-6)(3x-2)
Usually it works best to test out a number of possibilities :)
Answer:
Step-by-step explanation:
3 3/4 = 15/4
÷ 




Hope this helps
Y=mx+b, m= slope, b= y intercept, plug in. Y=3x+5
Set up a proportion.
x = length of actual wall
1/30=7/x
Cross multiply: x = 210 inches