27to the power(x-1)=9to the power(x-2)=x to the power y
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Hey!!!
That is very simple
27^x-1 = 9^x-2
=>(3^3)^x-1 = (3^2) ^x-2
=>3^3x-3 = 3^2x-4
Now bases are equal, then powers should be equalised
=>3x-3 = 2x-4
=>3x-2x = 3-4
=>x = -1
:-) hope it helps............
Please mark this answer as brainleist................
That is very simple
27^x-1 = 9^x-2
=>(3^3)^x-1 = (3^2) ^x-2
=>3^3x-3 = 3^2x-4
Now bases are equal, then powers should be equalised
=>3x-3 = 2x-4
=>3x-2x = 3-4
=>x = -1
:-) hope it helps............
Please mark this answer as brainleist................
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