Expression 10: "x" equals "d" Subscript, 1 , Baseline minus StartFraction, "d" Subscript, 1 , Baseline minus 10 Over 1 plus "e" Superscript, "y" , Baseline , EndFraction plus StartFraction, "d" Subscript, 2 , Baseline minus "a" Over 1 plus "e" Superscript, 15 minus "y" , Baseline , EndFraction minus StartFraction, "d" Subscript, 2 , Baseline minus 2 "a" minus "a" Over 1 plus "e" Superscript, 30 minus "y" , Baseline , EndFractionx=d1−d1−101+ey+d2−a1+e15−y−d2−2a−a1+e30−y