do the 11th question because it is a very tough question and I don't know please help me tomorrow is my exam I will give it 30 points for doing this please be honest and save me I don't know this question that's why I will do myself that subtract question
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(x-3y+2z)+(-4x+9y-11z)
= -3x+6y-9z
Now
-3x+6y-9z-(3x-4y-7z)
= -6x+10y-2z
here is my answer to your question
= -3x+6y-9z
Now
-3x+6y-9z-(3x-4y-7z)
= -6x+10y-2z
here is my answer to your question
jofuck:
it is wrong -3 eill not get cancelled
ya u r ri8. m in hurry so i made the mistake. sorry bro
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