Respuesta :
Answer:
see explanation
Step-by-step explanation:
let the number be n then 9 more than n is n + 9 and
n + 9 = 16 → is the equation
subtract 9 from both sides
n = 16 - 9 = 7 ← is the solution
Answer:
16=9+x
x=7
Step-by-step explanation:
Algebraic language springs from common language. It is possible to write with numbers and variables what we express with colloquial language.
In this case we can read: Sixteen is nine more than a number.
We can write literally what is indicated:
16
is (indicates equality)
nine more than a number : 9 + X
So, 16=9+x
Now, we have to clear the variable x find the solution
x=16-9
x=7
