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

`4+3(-4+6) =`

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

`5(-3+6) + 6(-4+5) =`

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

`7+(-8)-:4+3(5) =`