jamara12 jamara12

23-10-2014
Mathematics

contestada

solve for x -3(x-1)+8(x-3)=6x+7-5x

Respuesta :

23-10-2014

[tex]x-3(x-1)+8(x-3)=6x+7-5x\\\\ x-3x+3+8x-24=6x+7-5x\ \ \ \ | grouping\ similar\ factors\\\\ 6x-21=-x+7\ \ \ | add\ x\\\\ 7x-21=7\ \ \ |add\ 21\\\\ 7x=28\ \ \ |divide\ by\ 7\\\\ x=4\\\\ Solution\ is\ x=4.[/tex]

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