The answer:
x+y-z=170
x-y+z=130
adding the two equations together, I get 2x=300cm => x=150cm
x, y, z are the heights of the 3 variables: table, cat, turtle
How high is the table?
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The answer:
x+y-z=170
x-y+z=130
adding the two equations together, I get 2x=300cm => x=150cm
x, y, z are the heights of the 3 variables: table, cat, turtle
