Question

log3(x+5)=4 log1/9(54-x)=-3​

Answer 1

Ответ:

1. x+5=3⁴

x=76

2. 54-x=9³

x=-675

3. 52-3x=8²

3x=12

x=4

4. 25=(x+3)²

x+3=5 x+3=-5

x=2 x=-8

5. 3^(6x-1)=9^4

3^(6x-1)=3^8

6x-1=8

x=3/2

6. 46-5x=3⁴

5x=-35

x=-7

7. 64=(x+4)³

x+4=4

x=0

8. 2^(2x-1)=16^2

2^(2x-1)=2^8

2x-1=8

x=4.5