Question

VA ROG AJUTATIMA :(​ AM NEVOIE RAPID

Answer 1

a) [(2/5)²]ˣ=(4/10)⁶

(2/5)²ˣ=(2/5)⁶

2x=6

x=6:2

x=3

b) (1/9)ˣ×(1/9)⁵=(2/18)¹⁰

(1/9)ˣ⁺⁵=(1/9)¹⁰

x+5=10

x=10-5

x=5

c) (3/7)ˣ:(6/14)³=(15/35)²

(3/7)ˣ:(3/7)³=(3/7)²

(3/7)ˣ⁻³=(3/7)²

x-3=2

x=2+3

x=5