Question

6 number question solve

Answer 1

Answer:

Step-by-step explanation:

3^X+Y=81=3^4

THAN X+Y=4

81^X-Y=3=81^1/4

THAN X-Y=1/4

X+Y=4

X-Y=1/4

2X=4+1/4

X=17/8 ,   Y=15/8