18. If x + y = a, y + z = b and z + x = c, the average of x, y and z is:

asked Aug 11, 2022 195k views

1 vote

18. If x + y = a, y + z = b and z + x = c, the average
of x, y
and z is:

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4 votes

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7 votes

Answer:

Explanation:

x y=a

z+x=c

hope this help

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