6(1 + 3p) - 11p = 4(p + 3) (given)
6 + 18p - 11p = 4p + 12 (apply distributive property)
6 + 7p = 4p + 12 (combine like terms)
6 + 3p = 12 (subtract 4p from both sides)
3p = 6 (subtract 6 from both sides)
p = 2 (divide both sides by 3)
Hope this helps.
