Home ≻ Doubt ≻ $$3^{x-1}+3^{3-x}=6$$ , then what is $$2^{x-1}+2^{3-x}$$ equal to ? Question $$3^{x-1}+3^{3-x}=6$$ , then what is $$2^{x-1}+2^{3-x}$$ equal to ? 4321 Answer ‘.’ 3 + 3 = 6 So, x-1=1 and 3-x=1 x=2 Putting value of x in required equation. 2+2=4 (Ans)