If we are conducting an investigation using live animals , how should you treat the animal

When conducting an investigation using live animals ,we should ensure proper treatment of the animals .

They should be treated with utmost care and attention and the evidences should be carefully observed and taken note of.

We should ensure we maintain a proper hygiene and wash our hands after the careful analysis

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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