katrusya777 5^x*5^-2=5^(1-x)

5^(x-2)=5^(1-x)

X-2=1-x

2x=3

X=1,5

10^2x*10^-2=10^(x+1)

(2x-2)=x+1

X=3

3^-x*3^3=3^(x-1)

3^(3-x)=3^(x-1)

3-x=x-1

2X=4

X=2