Respuesta :

P=4............................
jkit7
-2p + 1 = -4 + 9 *Subtract 1 on both sides of equation*
-2p = -4p + 8 *Add 4p to both sides of equal sign*
2p = 8 *Divide both sides by 2, to isolate the p*
Answer: p = 4
Hope you learned something new!! ^v^