10^1-4x = 10^-3
1 - 4x = - 3
1+3 = 4x
x= 1
0,2^x-2 = 0,2^0
x-2 = 0
x= 2
3/2^9(x+1) = (3/2)^2^(1+2x)
x+1 = 2(1+2x)
x+1= 2 + 4x
4x-x = 1 -2
3x = - 1
x = -1/3
5^(2-x) = 1/125
5^(2-x) = 5^-3
2 - x = -3
x = 2 + 3
x = 5
1/3^(-4+x) = 3^2^(x+3)
3^-1(-4+x) = 3^2(x+3)
-1(-4+x) = 2(x+3)
4 - x = 2x + 6
2x + x = 4 -6
3x = - 2
x =- 2/3
1/3^(-x+2) = 9^V4
3^-1(-x+2) =3^2^V4
-1(-x+2) = 2^2
x - 2 = 4
x= 4+2
x=6