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3^2(x+1) = 3^3(3x-4)
2(x+1) = 3(3x-4)
2x + 2 = 9x - 12
2x - 9x = -12 - 2
-7x = -14
x = 2
Jadi nilai x adalah 2.
(3)^2(x-1) = (3)^3(3x-4)
3 dan 3 di coret
2x-2= 9x-12
2x-9x = -12+2
-7x = -10
x= 10/7