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13-12-2017
Mathematics

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HELP! 50 POINTS + BRAINLEIST 25 POINTS!
Give that f(x)=2x =7 find x when f(x)=35

Respuesta :

30-11-2018

[tex]f(x)=2x+7\\\\f(x)=35\\\\\text{substitute}\\\\2x+7=35\qquad\text{subtract 7 from both sides}\\\\2x=28\qquad\text{divide both sides by 2}\\\\\boxed{x=14}[/tex]

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