Replacing 1, 2, 2015 with x, y, z

Algebra Level 2

If 1x+1+2y+2+2015z+2015=12,\frac{1}{ \color{#3D99F6}{x} + 1 } + \frac{2}{ \color{#D61F06}{y}+2} + \frac{2015}{\color{#20A900}{z}+2015} = \frac{1}{2}, what is xx+1+yy+2+zz+2015?\frac{\color{#3D99F6}{x}}{\color{#3D99F6}{x}+1} + \frac{\color{#D61F06}{y}}{\color{#D61F06}{y}+2} + \frac{\color{#20A900}{z}}{\color{#20A900}{z}+2015}?

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