Question

to the performance xy to - 2 to the power bi is equal to zero
$81 {}^{4}$
$81 {}^{4 - x \div 2} - 27 ^{y} = 0$
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Answer 1

Step-by-step explanation:

81 ^(4-x)/2 - 27^y = 0

3^4(4-x)/2 - 3^3y = 0

3^2(4-x) - 3^3y = 0

3^(8-2x) = 3^3y

8-2x = 3y

8 = 3y-2x