Step-by-step explanation:
2[6 + 4{m – 6(7 – (n + p bar)) + q}]
= 2[6 + 4{m – 6 (7 – n – p) + q}]
= 2[6 + 4 {m – 42 + 6n + 6p + q}]
= 2[6 + 4m – 168 + 24n + 24p + 4q]
= 2[4m + 24n + 24p + 4q – 162]
= 8m + 48n + 48p + 8q – 32
