P+4=5p+3p-10
Rewrite
5p+3p-10=p+4
Add 5 to 3
8p-10=p+4
Add 10 both sides
8p=p+4+10
Add 4 and 10
8p=p+14
Subtract 1p on both sides
8p-p=14
8 subtract 7
7p=14
Divide 7 both sides
P=14/7
Solve
P= 2
To check substitute in original equation
2+4=5(2)+3(2)-10
6=10+6-10
6=6
It checks