-(x+3y-z)
-x-3y+z
So, I have multiplied every term insides the parentheses by -1.
Remember, a negative times a negative equals a positive, so -z times (-1) equals -z.
Answer:
-x - 3y + z
Explanation:
Think of a imaginary 1(-1 because of the sign) in front of the parenthesis and distribute it to the other number and so x will become -x, 3y will become -3y and -z will become z because two negatives make a positive.
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