Question

If y + x = z and x + y = m, where x and
y are rational numbers, then which of
the following statements is correct?
1 m * Z; m and z are rational
numbers
2 m = z; m and z are not rational
numbers
3 m = z; m and z are rational
numbers
4 m z; m and z are not rational
numbers
​

Answer 1

Answer:

m=z; m and z are rational numbers.