Question

6. Ir 9x+2 = 9^x+ 240, then determine the value of (8x)?​

Answer 1

Answer:

Given: 9

x+2

=240+9

x

⇒9

x+2

−9

x

=240

⇒9

x

(81−1)=240

⇒9

x

=3

⇒3

2x

=3

1

⇒2x=1

⇒x=

2

1

=0.5