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08-06-2018
Mathematics

contestada

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

Respuesta :

Supriti Supriti

08-06-2018

The last part should be +11z not -11z
Then B. will be correct

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