7. From the sum of 3x + 2y + 3z and 3x - 4y + 5z, subtract 6x + 7y-2z
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1
Answer:
-9y+10z
Step-by-step explanation:
((3x+2y+3z)+(3x-4y+5z)) - (6x+7y-2z)
(6x-2y+8z) - (6x+7y-2z)
(6x-2y+8z) - 6x-7y+2z
-9y+10z
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