Solve $2(x + 4) = 4x - 6$.

Solve $2(x + 4) = 4x - 6$.
  1. $7$
  2. $-7$
  3. $1$
  4. $3$

Solution

$2x + 8 = 4x - 6 \Rightarrow 14 = 2x \Rightarrow x = 7$.

Asked in: IMO

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