Question

hallar la inconitad de 5n-9=2n+3

Answer 1

5n-9=2n+3
5n-2n=9+3
3n=12
n=12/3
n=4

solucion:
n=4

Answer 2

5n - 9 = 2n + 3

5n - 2n = 3 + 9

3n = 12

n = 12/3

n = 4

Respuesta : 

n = 4