if x =2/5, y= ‐3/10 ,z=4/15 ,prove x÷ (y+z)=x+y+x÷z
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Misc 16 Solve the system of the following equations 2/x + 3/y + 10/z = 4 4/x + 6/y + 5/z = 1 6/x + 9/y + 20/z = 2 ..
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