Evaluate 6 + x when x=3.

6 + 3 = 9

Step-by-step explanation:

In evaluation problems, they are essentially asking you to plug in the value they give you, into the variable it's assigned to. In this case, x is 3. So plug in the 3.

Once you plug in that 3, you will see it is 6 + 3. Now that you've gotten this far, it's just simple math! :D

6 + 3 = 9