ben14 ben14
  • 02-06-2015
  • Mathematics
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12x+3=15x solve for x

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ImpatientAngel
ImpatientAngel ImpatientAngel
  • 02-06-2015
Have a good lessons ;)

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Аноним Аноним
  • 04-06-2015
[tex]12x+3=15x\ \ \ \ |subtract\ 3\ from\ both\ sides\\\\12x=15x-3\ \ \ \ \ |subtract\ 15x\ from\ both\ sides\\\\-3x=-3\ \ \ \ \ |divide\ both\ sides\ by\ (-3)\\\\\boxed{x=1}\\\\check:\\\\L=12\cdot1+3=12+3=15\\R=15\cdot1=15\\\\L=R\ :)[/tex]
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