1) 5^0,36 25^0,32 = 1,447 5 = 7,2382) 9^3,7 / 3^5,4 = 5851,35 / 450,68 = 12,9893) 12^-2,8 4^1,8 : 3^-4,8 = 0,001575 38,336 / 0,0078125 = 3,108
4) 3^(x-4) = 93^(x-4) = 3^2x-4 = 2x = 6
5) 4^(2-x) = 164^(2-x) = 4^22-x = 2x = 0
6) 36^(x-5) = 1/636^(x-5) = 6^(-1)x - 5 = -1x = 4
7) 5^(7+2x) = 25^2x5^(7+2x) = 5^(2*2x)7 + 2x = 4x7 = 2xx = 3.5
1) 5^0,36 25^0,32 = 1,447 5 = 7,238
2) 9^3,7 / 3^5,4 = 5851,35 / 450,68 = 12,989
3) 12^-2,8 4^1,8 : 3^-4,8 = 0,001575 38,336 / 0,0078125 = 3,108
4) 3^(x-4) = 9
3^(x-4) = 3^2
x-4 = 2
x = 6
5) 4^(2-x) = 16
4^(2-x) = 4^2
2-x = 2
x = 0
6) 36^(x-5) = 1/6
36^(x-5) = 6^(-1)
x - 5 = -1
x = 4
7) 5^(7+2x) = 25^2x
5^(7+2x) = 5^(2*2x)
7 + 2x = 4x
7 = 2x
x = 3.5