From Förberedande kurs i matematik 1

Revision as of 06:38, 21 August 2008 (edit) Tekbot (Talk | contribs) m (Robot: Automated text replacement (-[[Bild: +[[Image:)) ← Previous diff		Current revision (13:12, 23 September 2008) (edit) (undo) Tek (Talk | contribs) m
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-	{{NAVCONTENT_START}}	+	To get ''x'' by itself on the left-hand side, we subtract 1 from both sides
-	<center> [[Image:2_2_1b.gif]] </center>	+
-	{{NAVCONTENT_STOP}}	+	{{Displayed math||<math>2x+1-1=13-1</math>}}
		+
		+	which gives
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		+	{{Displayed math||<math>2x=12\,\textrm{.}</math>}}
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		+	Then divide both sides by 2,
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		+	{{Displayed math||<math>\frac{2x}{2}=\frac{12}{2}</math>}}
		+
		+	to get ''x'',
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		+	{{Displayed math||<math>x=6\,\textrm{.}</math>}}

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Current revision

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{.}