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'If `x+y : y+z : z+x=6:7:8`and `x+y+z=14`, find `z`(a) 6 (b) 7 (c) 8 (d) 10'
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"If `x+y : y+z : z+x=6:7:8`and `x+y+z=14`, find `z`(a) 6 (b) 7 (c) 8 (d) 10"
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If x=y, then x+z=y+z for all real z
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The second way to solve:' If x+y+z=5 and xy+yz+xz=3, what is the max and min of z?'
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'If `x+y : y+z : z+x=6:7:8`and `x+y+z=14`, find `z`(a) 6 (b) 7 (c) 8 (d) 10'
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