bel6848
bel6848 bel6848
  • 24-02-2019
  • Mathematics
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Solve 30x -12,000 less than or equal to 980

Respuesta :

gmany
gmany gmany
  • 24-02-2019

Answer:

[tex]\large\boxed{x\leq432\dfrac{2}{3}\to x\in\left(-\infty,\ 432\dfrac{2}{3}\right]}[/tex]

Step-by-step explanation:

[tex]30x-12,000\leq980\qquad\text{add 12,000 to both sides}\\\\30x-12,000+12,000\leq980+12,000\\\\30x\leq12,980\qquad\text{divide both sides by 30}\\\\x\leq\dfrac{12,980}{30}\\\\x\leq\dfrac{1,298}{3}\\\\x\leq432\dfrac{2}{3}[/tex]

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