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Oduvanchick [21]
3 years ago
8

How to solve the equation: |2x+3|>=23

Mathematics
1 answer:
kondor19780726 [428]3 years ago
7 0

|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

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