Combining like terms 7x+4

This term would not change at all when combining like terms.

Step-by-step explanation:

Because the first term has a variable and the second does not, they can not be combined. Therefore, there is not change to this assignment

No like terms to combine

Step-by-step explanation:

In this equation, you see that there is a seven next to a variable. This signifies that they are being multiplied.

The four is being added to this product.

In order to combine like terms, there has to be two digits that are the same, like 4+4 or x+x.

In this example, seven is multiplied by an unknown variable, causing the product of those numbers to be unknown. You cannot combine a term you don't know with a term you do know, therefore leadign you to the conclusion that there are no like terms to combine.