Can somebody help me with this

Answer:
A
Step-by-step explanation:
It’s just like adding except with a variable so 5x+3x is like 5+3 except with x so 8x+3=16
Answer:
A) 8x + 3 = 16
Step-by-step explanation:
you can simplify 5x and 3x by adding them. That gives you 8x. the rest stays the same.