4g + 3 = 4g + 6
3 = 6
Since we know three equals six is not correct, there is no answer/result for this entire expression.
Answer:
x = 4.5
Step-by-step explanation
When z is 6 that means x is 1.5 which means that when z is 18 then x is 4.5 because we add 3+1.5 which is 4.5