Question

Add: x - 3y + 4z, y - 2x - 8z, 5x - 2y - 3z

Answer 1

Answer:

  x - 3y + 4z

-2x + y   - 8z

5x  -2y   - 3z

--------------------- (on adding we get)

4x - 4y - 7z

Answer 2

Answer:

(x-3y+4z) + (y-2x-8z) + (5x-2y-3z)

x-3y+4z+y-2x-8z+5x-2y-3z

x-2x+5x-3y+y-2y+4z-8z-3z

4x-4y-7z   is the answer

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