Question

if 3 to the power x - 1 equals to 9 and 4 to the power y plus two equals to 64 find the value of y / x minus x / y

Answer 1

3^x-1=9
=>3^3=9
=>x-1=3
=>x=4

4^y+2=64
=>4^3=64
=>y+2=3
=>y=1

y/x-x/y
=1/3-3/1
=(1-9)/3
=8/3

Answer 2

Answer:

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