In the system $x + y = 7,\ x - y = 1$, $y$ equals

In the system $x + y = 7,\ x - y = 1$, $y$ equals
  1. $3$
  2. $4$
  3. $5$
  4. $2$

Solution

$y = 7 - 4 = 3$.

Asked in: MH-SSC-9

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