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  • 07-10-2018
  • Mathematics
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How to solve the equation: |2x+3|>=23

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gmany
gmany gmany
  • 07-10-2018

[tex]|2x+3|\geq23\iff2x+3\geq23\ \vee\ 2x+3\leq-23\qquad|\text{subtract 3 from both sides}\\\\2x\geq20\ \vee\ 2x\leq-26\qquad|\text{divide both sides by 2}\\\\x\geq10\ \vee\ x\leq-13[/tex]

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