ashmepricksba4b0ynic
ashmepricksba4b0ynic ashmepricksba4b0ynic
  • 19-07-2016
  • Mathematics
contestada

solve the inequality 4x − 6 > 6x − 20.

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dalendrk
dalendrk dalendrk
  • 25-07-2016
4x - 6 > 6x - 20    |add 6 to both sides

4x > 6x -14    |subtract 6x from both sides

-2x > -14    |change signs

2x < 14      |divide both sides by 2

x < 7 ⇒ x∈ (-∞; 7)
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