Use the rule for order of operations to simplify the expression as much as possible:

`-6+6(-5+10) =`

Use the rule for order of operations to simplify the expression as much as possible:

`9(-6+7) + 8(-2+4) =`

Use the rule for order of operations to simplify the expression as much as possible:

`-7+(-14)-:7+2(1) =`