pls answer me urgently step by step explanation please clear photo of answers
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Answer:
The answer toll your Question is as follows.
Step-by-step explanation:
(17x+8y-15z)-(12x+7y-15z)
= 17x+8y-15z-12x+7y-15z
= 17x-12x+8y+7y-15z-15z
= 5x+15y-30z
If it is helpful... please mark the brainlest.
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