Answer: x + 18
First, distribute the 3:
= 3x + 6 - 4x + x + x + 12
Then, combine like terms:
= (3x - 4x + x + x) + (6 + 12)
= 3x - 4x + 2x + 18
Now, combine like terms again:
= (3 - 4 + 2)x + 18
= x + 18
So, the equation rewritten with the fewest number of terms is:
x + 18
