suhaniaggarwal
suhaniaggarwal suhaniaggarwal
  • 17-11-2021
  • Mathematics
contestada

3(2x - 1) ≥ 2(2x + 3), where x ∈ I​

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SalmonWorldTopper
SalmonWorldTopper SalmonWorldTopper
  • 17-11-2021

[tex]\large\underline{\sf{Solution-}}[/tex]

Given:

[tex]\rm 3(2x-1)\geq2(2x+3), x\in\mathbb{I}[/tex]

[tex]\rm\longmapsto 6x-3\geq 4x+6[/tex]

[tex]\rm\longmapsto 6x-3-4x\geq 4x+6-4x[/tex]

[tex]\rm\longmapsto 2x-3\geq 6[/tex]

[tex]\rm\longmapsto 2x-3+3\geq 6+3[/tex]

[tex]\rm\longmapsto 2x\geq 9[/tex]

[tex]\rm\longmapsto \dfrac{2x}{2}\geq \dfrac{9}{2}[/tex]

[tex]\rm\longmapsto x\geq 4\dfrac{1}{2}, x\in\mathbb{I}[/tex]

[tex]\large\underline{\sf{Answer-}}[/tex]

Therefore:

[tex]\rm x=\{5,6,7,8,...\infty\}\\[/tex]

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