Respostas

2013-10-03T16:15:16-03:00
2 \sqrt{2x-5} -4 =-3\\\\ 2 \sqrt{2x-5}=-3+4\\\\ 2 \sqrt{2x-5}=1\\\\\sqrt{2x-5}= \frac{1}{2} \\\\\sqrt{2x-5}=0,5

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2x-5=0,5 ^{2} \\\\ 2x-5=0,25\\\\2x=0,25+5\\\\x= \frac{5,25}{2}\\\\x=2,625\\