sandyy556 sandyy556
  • 04-04-2018
  • Mathematics
contestada

I need showing my work with these please

I need showing my work with these please class=

Respuesta :

sqdancefan
sqdancefan sqdancefan
  • 03-08-2019

Answer:

   4.  B.  7

   5.  30

Step-by-step explanation:

4. The perimeter is the sum of the side lengths:

  29 = (x+5) +(2x -3) +(x -1) = 4x +1

  28 = 4x . . . . subtract 1

  7 = x . . . . . . divide by 4

__

5. Add 18 to both sides of the equation.

 9x -11 +18 = 12 +18

 9x +7 = 30

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