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Kx+ 8y=k-4 3x + (k - 2) y= 1
solve for x and y in terms of k.? How do I calculate the chemical formula of iron (ii) sulfide? Draw a titration curve and an activity vs. pH curve for an enzyme active site containing only two charged residues: asp and his.? If f(x)=x^(4)+4x^(3)+6x^(2)+5x+1 find value of a such that f(a)=f^(-1)(a)? What is the oxidation number of S in 2S2O3^2-?