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Omni-MATH / Let w,x,y,z be real numbers such that w+x+y+z=5, 2w+4x+8y+16z=7, 3w+9x+27y+81z=11, 4w+16x+64y+256z=1. What is the value of 5 w+25 x+125 y+625 z ? · Discussion

Discussing Let w,x,y,z be real numbers such that w+x+y+z=5, 2w+4x+8y+16z=7, 3w+9x+27y+81z=11, 4w+16x+64y+256z=1. What is the value of 5 w+25 x+125 y+625 z ? · Omni-MATH

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