2346Jason 2346Jason

21-05-2018
Mathematics

contestada

1/8(5y+64)=1/4(20+2y)

Respuesta :

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21-05-2018

answer:

y=−24

Explanation:

18(5y+64)=14(2y+20)

multiply both sides by 8:

5y+64=2(2y+20)

multiply out brackets:

5y+64=4y+40

subtract 4y from both sides:

y+64=40

subtract 64:

y=40−64=−24

y=−24

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