$${3x+4y-2z+9=17},{7x+2y+11z+8=23}$$ and $$ {5x+9y+6z-4=18}$$ then what is the value of $$ {x+y+z-34}$$?
5 1058 5f2bc5fcbe9f31290fb3b467
Q:
$${3x+4y-2z+9=17},{7x+2y+11z+8=23}$$ and $$ {5x+9y+6z-4=18}$$ then what is the value of $$ {x+y+z-34}$$?
- 1-45false
- 2-31true
- 3-14false
- 4-28false
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