Expression for A+B+C where A = 12x - 5y - 3z , B = 6x -4y + 7z , C = 3x + 2y + 5z
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Answer:
A+B+C
A=12x -5y -3z
B=6x-4y+7z
C=3x+2y+5z
A+B+C
12x-5y-3z+6x-4y+7z+3x+2y+5z
=21x-7y+9z
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Answered by
1
Answer:
hence, A+B+C =21x-17y+9z
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