Write an equation with a sum of 37 with a 1 digit addend

Turner's mom measured his room to see how long the wallpaper border needed to be. if two walls are 15 feet long and two walls are 12 feet long, how long should the strip of border be cut?

5,600 x 10^3 = a) 560 b) 5,000,600 c) 5,600,000 d) 56,000

2x minus y equals 6, x plus y equals negative 3