idksamek idksamek

16-07-2018
Mathematics

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Hi! I'm confused as to how to get the answer for this -> 3(y+7) = 2y - 5

Respuesta :

16-07-2018

[tex] 3(y+7)=2y-5\ \ \ |\text{use distributive property: a(b+c)=ab+ac}\\\\(3)(y)+(3)(7)=2y-5\\\\3y+21=2y-5\ \ \ \ |-21\\\\3y=2y-26\ \ \ \ |-2y\\\\\boxed{y=-26} [/tex]

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