Answer:
15
Step-by-step explanation:
18-x=3
18-3=x
18-3=15
Answer:
5
Step-by-step explanation:
The answer is C, there’s only 1 term= monomial
Answer: x + 1 = 15
Step-by-step explanation:
solve -
x= 15 - 1
x = 14
x is a variable so it's not fix value in math