Yes because if you distribute the 3 and multiply it with 3 • x and 3• 6 you’ll get 3x-18
C=10 & P=5
3C+4P=50
C+P=15
Solve
3C+4P=50
3C+3P=45
Subtract
P=5
Substitute in equation 2
C+P=15
C+5=15
C=10
You did not say or show the original length or width of the room.
6 chairs, 37 does not divide into a whole number with the number 6 so you would have to round it and it’s 6.
It is (1,0), (2,0), and (-3,0)