a rectangle had side lengths of (3x + 6) inches and (2x - 4) inches. write an expression to represent the perimeter of the rectangle. then find the value of x if the perimeter is 94 inches.

Relax

Respuesta :

 the value of x is
2(3x+6+2x-4)=94
6x+12+4x-8=94
6x+4x=94-12+8
10x=90
x=9