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15-04-2015
Mathematics

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7h – 5(3h – 8) = –72

Respuesta :

15-04-2015

7h-5(3h-8)=-72

7h-15h+40=-72 /-40

-8h=-112 /:(-8)

h=14

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15-04-2015

[tex]7h - 5(3h - 8) = -72 \\ 7h - 15h +40 = -72 \\ -8h=-72-40 \\ 8h=112 \\ h= \frac{112}{8} =14[/tex]

Answer Link

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