Kimberly0523 Kimberly0523

02-09-2016
Mathematics

contestada

solve for y
(4y+4)/3 + (7y-8)/6 = 15

Respuesta :

dalendrk dalendrk

02-09-2016

[tex]\dfrac{4y+4}{3}+\dfrac{7y-8}{6}=15\ \ \ \ \ |multiply\ both\ sides\ by\ 6\\\\6\cdot\dfrac{4y+4}{3}+6\cdot\dfrac{7y-8}{6}=6\cdot15\\\\2(4y+4)+1(7y-8)=90\\\\8y+8+7y-8=90\\\\15y=90\ \ \ \ |divide\ both\ sides\ by\ 15\\\\\boxed{y=6}[/tex]

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