Question

Which expression is equivalent to 8+18a−2+6a ?

8(1+2a)−(2+6a)

24a + 10

24a+6

30a

Answer 1

24a + 6 is equivalent

Answer 2

The answer is 24a + 6 because you add up the like-terms, so:
18a + 6a = 24a
8 - 2 = 6
I hope this helps!