Question

3p - 1 = 5(p - 1) - 2(7 - 2p)

Answer 1

3p - 1 = 5(p - 1) - 2(7 - 2p) distribute
3p - 1 = 5p - 5 - 14 + 4p add like terms
3p - 1 = 9p - 19 subtract 3p from both sides
-3p -3p
-1 = 12p - 19 add 19 to both sides
+19 +19
18 = 12p divide both sides by 12
p = 18/12 = (simplify)

Answer 2

much appreciated

Answer 3

you're welcome :)

Answer 4

3p-1=5p-5-14-4p
3p-1=5p-9-4p
3p+8=5p-4p
3p+8=1p
4=p

Answer 5

you forgot to distribute the negative in the first step @sportcraze0

Answer 6

Thanks. I looked at the problem wrong.