Question 15356
4 - 3(2p + 1) = 3p + 11
{{{4 - 3*2p +(-3)*1 = 3p + 11}}}
4 - 6p -3 = 3p + 11
4 - 3 - 6p = 3p + 11
1 - 6p = 3p + 11
-6p - 3p = 11 - 1
(-6-3)p=10
-9p=10 --------->Divide by -9
{{{p=10/-9}}}

OK