p=315-4p+3p-75
Since p is on the right side of the equation, switch the sides so it is on the left side of the equation.
315-4p+3p-75=p
Subtract 75 from 315.
-4p+3p+240=p
Add -4p and 3p.
-p+240=p
-p+240=p
Subtract p from both sides of the equation.
-p+240-p=0
Subtract p from -p.
-2p+240=0
-2p+240=0
Subtract 240 from both sides of the equation.
-2p=-240
Divide each term in -2p=-240 by -2.
-2p-2=-240-2
Cancel the common factor of -2.
Cancel the common factor.
-2p-2=-240-2
Divide p by 1.
p=-240-2
p=-240-2
Divide -240 by -2.
p=120
p=120
Solve for p p=315-4p+3p-75