From the sum of 13x-4y+7z and -6z+6x+3y subtract 6x - 7y.
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[(13x-4y+7z)+(-6z+6x+3y)]-6x-7y
(7x-y+z)-6x-7y
x-8y+z
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Answer:
13x-8y+z is the answer
Step-by-step explanation:
(13x-4y+7z+(-6z)+6x+3y)-6x-7y
=19x-y+z-6x-7y
=13x-8y+z
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