x + 2y + 2z = 7
2x - 4y + z = -5
x + y + 2z = 5
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what is question please make it clear.
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Answer:
1)= 7 2) =-5 3) =5
Step-by-step explanation:
3+2y+2z=7
2x-4y+3=-5
2+1+2z=5
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