$2x + y = 7,\ x - y = -1$. Then $x$ equals

$2x + y = 7,\ x - y = -1$. Then $x$ equals
  1. $2$
  2. $3$
  3. $1$
  4. $0$

Solution

Add: $3x = 6 \Rightarrow x = 2$. Then $y = 3$.

Asked in: MH-SSC-9

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