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December 18, 2014

December 18, 2014

Posted by **bella** on Wednesday, January 12, 2011 at 5:31pm.

the prob is 4(5n-7)=10n+2

the answer i got is -3

- math -
**Bri**, Wednesday, January 12, 2011 at 5:35pmum i got n=3

- math -
**bella**, Wednesday, January 12, 2011 at 5:38pmoh so i jus gotthe intgers rong

ty

- math -
**Dianne**, Wednesday, January 12, 2011 at 5:41pmthe correct answer is 3

4(5n-7) = 10n+2

20n-28 = 10n+2

20n= 10n+30

10n=30

n=3

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