Question

Solve for x . 81^x-2= 27^x+1

Answer 1

Answer:

x=11

Step-by-step explanation:

81^x-2=27^x+1

3^4(x-2)=3^3(x+1)

3^4x-8=3^3x+3

therefore,

4x-8=3x+3

4x-3x= 3+8

x=11

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