Lösung 2.2:1b

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To get x by itself on the left-hand side, we subtract 1 from both sides

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which gives

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Then divide both sides by 2,

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to get x,

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Von „http://wiki.sommarmatte.se/wikis/2009/bridgecourse1-TU-Berlin/index.php/L%C3%B6sung_2.2:1b“