Respuesta :

-39 = 3 + 4p
-3 | -3
—— | —
-42 = 4p
—– —
4 4
-10.5 = 4p

Answer: -10.5
-39= 3+4p
-39-3=4p
-42=4p
-42 divided by 4= p
-10.5=p