20-05-2016
Mathematics

contestada

1/4 h + 9 = 3/4 h - 7

Respuesta :

20-05-2016

1/4 h - 3/4h = -7 -9
-1/2 h = -16
h = 32

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apologiabiology apologiabiology

20-05-2016

remember you can do anything to an equation as long as you do it to both sides

try to get the unknown by itself
we hates fractions
times everybody by 4
h+36=3h-28
minus h both sides
36=2h-28
add 28 both sides
64=2h
divide both sides by 2
32=h

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