add 3 x - 4y + 6 z and 5x -8y- 9 Z
Answers
Answered by
0
Answer:
5x-y
Step-by-step explanation:
3x-4y+z+(2x-z+3y)
3x-4y+z+2x-z+3y
+z-z cancels out we get
5x-
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Answered by
0
Answer:
8x - 12y - 3z
Step-by-step explanation:
The problem:
(3 x - 4y + 6 z) + (5x -8y- 9 Z)
Ths turns into:
3x - 4y + 6z + 5x - 8y - 9z
Combine like terms:
3x - 4y + 6z + 5x - 8y - 9z
8x - 4y + 6z - 8y -9z
8x - 12y + 6z - 9z
8x - 12y - 3z
Now that our answer can't be simplified, the solution to the problem is:
8x - 12y - 3z
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