Answer:
Step-by-step explanation:
You cannot add these because they are not like. IF you have a value for x, then the expression could be evaluated at the x value, but you can't add them.
Let's go:
Big triangle:
12 + 3x - 6 = 3x + 6
10 + 8 = 18
I hope I helped you.
Answer:23.89x67
The answer has to be: D) 55/9