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.