Use this factor to calculate your protein needs based upon weight in kilograms. 1. 0.8 grams/kilogram 2. 1.2 grams/kilograms 3. 4.0 grams/kilograms a

try using substitution:

x + y - 6 = x - y. (i'm not giving you the exact answer). since 0 = x - y, then sub 0 in the equation with x - y. combine your like terms, and then use inverse operations, and you'll have your answer.

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if you look up in the top right corner you'll see your current profile picture, click than click "view profile" you'll be able to change it there.