maliacutie maliacutie

22-09-2014
Mathematics

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what is 13x+15= 11x -25 also expalin plz

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mariamikayla mariamikayla

23-09-2014

[tex]13x+15=11x-25 \\ \\ 13x-11x=-25-15 \\\\ 2x=-40 \\\\ \boxed{x=-\frac{40}{2}=-20}[/tex]

You pass the free terms wich don't contain 'x' in the othe part of the equal with changed signe ans the same for the terms wich contain x.

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