Respuesta :

randomuser160

Answer:

-2

Step-by-step explanation:

make 'n' subject of formula

n= 5 -7

n= -2

LordKeyarga23

Answer:

n = -2

Step-by-step explanation:

7 + n = 5

  • n = 5 - 7
  • n = -2

prove that the value of n is -2

  • 7 + n = 5
  • 7 + -2 = 5
  • 7 - 2 = 5

proven