Question

please answer me
it's very urgent ​

Answer 1

Answer:

(c)

Step-by-step explanation:

substitute 5 by x then subtract it

and get the answer

Answer 2

Answer:

a) 2( 8/3)

Step-by-step explanation:

15^x-6+2x-8 = 225

15 ^3x-14 = 225

15 ^ 3x-14= 15^2 (since 225 = 15^2)

3x -14 = 2

3x = 2 + 14

3x = 16

x = 16/3

x = 2(8/3)