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Which of the following is the simplified version of this expression: 9x+4y+9x+11y+12z-11z A. 20x+9y+12z B. 18x+15y+23z C. 7x+15y+12z
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Which of the following is the simplified version of this expression: 9x+4y+9x+11y+12z-11z

A. 20x+9y+12z
B. 18x+15y+23z
C. 7x+15y+12z

User BuzzBubba
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1 Answer

5 votes
The last part should be +11z not -11z
Then B. will be correct
User StackThis
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