Respuesta :
5x-8=3x (This is because all sides are equal in a square)
-5x -5x
-8=-2x
x=4
4(3)=20-8
12=12
12+12+12+12
48
-5x -5x
-8=-2x
x=4
4(3)=20-8
12=12
12+12+12+12
48