Add the following expressions:
(a)
3x + 8y - 5z, 7x - 9y + 6z, x – 2y - 3z, z - 5x + 3y
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Answer:
6x-z
Step-by-step explanation:
3x + 8y - 5z + 7x - 9y + 6z + x - 2y - 3z + z - 5x + 3y
= 3x + 7x + x - 5x + 8y - 9y - 2y + 3y - 5z + 6z - 3z + z ( writing all like terms together )
= 6x + 0y - z
= 6x - z
ak1748520:
thanks
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