Arectangular room is three times as long as it is wide , and it's perimeter is 72 meters . find the length of the room.

Let the width = x

length = 3x

Now, 2(3x+x) = 72

2(4x)=72

8x=72

x = 9

So, length would be 3x=3(9) = 27 meters

d

step-by-step explanation:

given

y + 3 = - 4(x - 2) ← distribute the parenthesis

y + 3 = - 4x + 8 ( subtract 3 from both sides )

y = - 4x + 5 → d

x = 17

step-by-step explanation:

1st step: isolate x.

24 - 3x = -27

-24         -24

-3x   =   -51

2nd step: divide.

-3x     =   -51

  3             3

  x       =     17

hope this