Lösung 2.2:1b
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Version vom 13:53, 22. Okt. 2008
To get x by itself on the left-hand side, we subtract 1 from both sides
| \displaystyle 2x+1-1=13-1 |
which gives
| \displaystyle 2x=12\,\textrm{.} |
Then divide both sides by 2,
| \displaystyle \frac{2x}{2}=\frac{12}{2} |
to get x,
| \displaystyle x=6\,\textrm{.} |
