Question

find the value of x with full solution ​

Answer 1

Answer:

base same power add

15+X=2

X= 2-15

=- 13

Answer 2

Hi mate

Given

( -8/9 )^ 15 + ( -8/9 ) ^ x = ( 8/9)²

(-8/9)^ 15+x = (8/9)² .•. A^m + A^n=a^m+n

(8/9) ^ 15+x = (8/9)² A^m = A^n

m = n

15 + x = 2

X = 2 - 15

X = -13