Question

find the value of x so that
_
​

Answer 1

Answer:

x=1

Step-by-step explanation:

all the bases are same

i.e.(-1/5)

so,

there power will be simplified

i.e.

20-15=5x

5=5x

x=1

Answer 2

(_1/5)^20÷(-1/5)^15=(-1/5)^5x

On comparing ,we get

20-15=5x

5x=20-15

x=5/5

X=1

the value of x is 1