Subtract 28x − 17y + 9z, from the sum of 8x − 3y + 2z and 9x + y − 11
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Answer:
8x-3y+2z+(9x+y-11z)
8x+9x-3y+y+2z-11z
17x-2y-9z ...
Step2
17x-2y-9z-(28x-17y+9z)
17x-28x-2y+17y-9z-9z
-11x+15y-18z
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