- x² + 4x 1?
15. Subtract the sum of 5x - 4y + 6z and 8x + y - 2z from the sum of 12x - y + 3z and
.
y y
-3x + 5y - 8z.
By how much is 2x – 3y + 4z greater than 2x +54 - 6z+2?
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Step-by-step explanation:
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Step-by-step explanation:
5x-4y+6z
8x+y-2z
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13x-3y+4z--(1)
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12x-y+3z
-3x+5y-8z
----------------
9x+4y-5z----(2)
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(2)-(1)
9x+4y-5z
13x-3y+4z
(-) (+) (-)
---------------
-4x+7y-9z
----------------
2x-3y+4z
2x+54y-6z+2
(-) (-) (+) (-)
---------------------
-57y+10z-2
----------------------
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