Question

Exercitiile 8,9 si 10 va rog.

Answer 1

8) 3^2* 3^x=27
3^x=27/9
3^x=3^1=>x=1
9) (2^2)^2 * 2^x:2=8
2^4*2^x:2=8
2^3*2^x=8
2^x=8/8
2^x=1=>x=0
10) 2^x*2+2^x*2^2=24
2^x(2+4)=24
2^x*6=24
2^x=24/6
2^x=4
2^x=2^2=>x=2

Answer 2

...............................................