hayat123
hayat123 hayat123
  • 24-01-2017
  • Mathematics
contestada

I can not get the answer can I get help please

I can not get the answer can I get help please class=

Respuesta :

andi17ramos andi17ramos
  • 24-01-2017
8)p-4= -9+p
     +4   +4
    p= -3 +p
    p = 3p
    p= 3

10) 12= -4(-6x-3)
       12= (24x) - (-12)
      +12           +12
       24= 24x
       x=1

12) -(7-4x)=9
     -1 (7-4x)=9
      (-7) - (-4x)=9
      +7             +7
                -4x=16
                 x  =-4


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