Solve $5x - 2y = 4,\ 3x + y = 9$. $x$ equals

Solve $5x - 2y = 4,\ 3x + y = 9$. $x$ equals
  1. $2$
  2. $3$
  3. $1$
  4. $4$

Solution

Multiply 2nd by $2$: $6x + 2y = 18$. Add to first: $11x = 22 \Rightarrow x = 2$.

Asked in: MH-SSC-9

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