what is the value of x

Answer:
Step-by-step explanation:
3x - 13 = 2x + 18
combine like terms,
3x - 2x = 18 + 13
compute,
x = 31
Answer:
The value of x is a constant number .The letter "x" is often used in algebra to mean a value that is not yet known. It is called a "variable" or sometimes an "unknown".so no one can decide the fix value of x because it ia a variable .
2x=7+x than x=7