Question

6. From the sum of x + y - 22 and 2x - y + z subtract x + y + z.
7. From the sum of 3a - 2b + 4c and 3b
8. Subtract x - 2y - z from the sum of 3x - y + z and x + y - 3z.
9. Subtract the sum of x + y and x - z from the sum of x - 2z and x + y +z​

Answer 1

Step-by-step explanation:

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