A warehouse supervisor is tracking inventory for two different types of motor parts, designated as $m$ and $n$. The total stock is currently represented by the expression ${}37m + 21n + 4m - 15n$. According to the steps for simplifying algebraic expressions, what is the final simplified form of this inventory total?

A warehouse manager is reconciling inventory for two products: Model $m$ and Model $n$. The total inventory is initially recorded with the expression ${}37m + 21n + 4m - 15n$. To simplify this for the final report, the manager follows a standard algebraic process. Match each description of the process or result with its corresponding mathematical form.

A logistics coordinator is consolidating an inventory list for two different mechanical parts, represented by $m$ and $n$. The initial tally is ${}37m + 21n + 4m - 15n$. Arrange the following steps in the correct order to simplify this expression according to the standard mathematical procedure.

Retail Stock Consolidation

An IT asset manager is auditing the stock of monitors ($m$) and network routers ($n$) from recent office shipments. The initial inventory calculation is recorded as ${}37m + 21n + 4m - 15n$. By recalling the process of combining like terms, the fully simplified expression for the inventory is ____.

Inventory Term Rearrangement Property