Solve $3x + y = 11,\ 2x - y = 4$. Then $x + y$ equals

Solve $3x + y = 11,\ 2x - y = 4$. Then $x + y$ equals
  1. $5$
  2. $3$
  3. $2$
  4. $8$

Solution

Add: $5x = 15 \Rightarrow x = 3$. Then $y = 2$. $x + y = 5$.

Asked in: MH-SSC-9

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