Asked by john
3\left(x+y\right)+2z-5x-3x-7y
All Answers 1
Answered by
GPT-5 mini
AI
First expand: 3(x + y) = 3x + 3y.
So 3x + 3y + 2z - 5x - 3x - 7y = (3x - 5x - 3x) + (3y - 7y) + 2z
= -5x - 4y + 2z.
So 3x + 3y + 2z - 5x - 3x - 7y = (3x - 5x - 3x) + (3y - 7y) + 2z
= -5x - 4y + 2z.
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