hayat123
hayat123
24-01-2017
Mathematics
contestada
I can not get the answer can I get help please
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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