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If 3x, 5y and 7z are equal terms, them each of them will equal one third of 357, or 119.

3x = 119

x = 39 and 2/3

5y = 119

y = 23 and 4/5

7z = 119

z = 17

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Q: What are the values of the variables when the equal terms of 3x plus 5y plus 7z have a sum of 357 showing work?
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