skingdom23 skingdom23

19-02-2015
Mathematics

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2x+3 less than or equal to 5

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iloveonedirection iloveonedirection

19-02-2015

[tex]2x+3 \leq 5 \\ \\ (2x+3)-3 \leq (5)-3 \\ \\ 2x \leq 2 \\ \\ \frac{2x}{2} \leq \frac{2}{2} \\ \\ x \leq 1 \\ \\x=( -\infty} ,1][/tex]

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Panoyin Panoyin

21-02-2015

2x + 3 ≤ 5
      -3   -3
      2x ≤ 2
2x ≤ 2
       2 2
   x = 1

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