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Solution 2.2:1b

From Förberedande kurs i matematik 1

Revision as of 14:13, 16 September 2008 by Ian (Talk | contribs)
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To get x by itself on the left-hand side, we subtract 1 from both sides


2x+1−1=13−1


which gives


2x=12

Then divide both sides by 2,


22x=212


to get x:


x=6

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