Respuesta :
Answer:
an-1-9
25n-1-9
25n-10=0
25n=0+10
25n=10
divide both sides by 25
25n/25 =10/25
n=2/5
Step-by-step explanation:
Answer:
n=1.4
Step-by-step explanation:
given a=25
a=an-1-9..............(1)
put a=25 in equ (1)
25=25n-1-9
25=25n-10
25n=25+10=35
n=[tex]\frac{35}{25}[/tex]=1.4
n=1.4 answer
