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3z + 15 = 6z - 13

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jmnixon95
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17 Aug 2011, 10:42 pm

What's the answer?



b9
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17 Aug 2011, 11:00 pm

28/3



heckeler06
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17 Aug 2011, 11:44 pm

Yup.

3z+15=6z-13
+13 --- +13
3z+28=6z
-3z --- -3z
28=3z
/3 --- /3
28/3 = z

Hope that makes sense!



hermanChess
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17 Aug 2011, 11:49 pm

Image



jmnixon95
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18 Aug 2011, 5:26 am

Was 99.99999999% sure that was it, but every other answer was a whole number so I was like... -.-

I'm always terrible at even the easiest of maths during the first week of school.



jmnixon95
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18 Aug 2011, 5:33 am

But thanks to both of you!