Question

${81}^{ - 2} \div {729}^{1 - x} = {9}^{2x}$
Find for x. Please help me in this question. ​

Answer 1

Hope it will help u

Answer 2

Answer:

=>1/81² ÷ 9^3(1-x)=9^2x

=>1/[9^(4+3-3x)]=9^2x

=>9^-[7-3x]=9^2x

since bases are equal, powers must be equal

=> 3x-7=2x

=>x=7