Раскройте скобки:
\(\displaystyle -6\cdot (-n+p\,)=\)[?||-][ ] [?|+|-][ ]
\(\displaystyle -(-u+q\,)=\)[?||-][ ] [?|+|-][ ]
\(\displaystyle -h\cdot (-x+y\,)=\)[?||-][ ] [?|+|-][ ]