Respuesta :

leeandrews2

p=3h + 3u  subtract 3u from both sides

p-3u=3h   now divide both sides by 3

h = p/3 - u
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Below is the solution:

p = 3h + 3u 
p = 3(h + u) 
p/3 = h + u
(p/3) - u = h 

h = (p/3) - u