The answer is 1 .........................................................................................................................................................................................................................................
Answer:
Step-by-step explanation:
4x-4y -2z = 6 ( first equation x2)
4x+ 5y-2z =-3 ( If you substract these two)
-9y= 9 so y= -1
2x-z =1 (multiple by 3 ) then 6x-3z=3
3x-3z= -3
3x=6 x=2 and z=3
The answer is x=2, y=-1 and z= 3
Answer:
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