Equations 5070
Solve in RxRxR a system of 3 linear equations with three unknowns:
1/2 x + 3/4 y = 6z
2x-z = 10 1/2
2z + x = 2y + 7
note : / is a fraction line
1/2 x + 3/4 y = 6z
2x-z = 10 1/2
2z + x = 2y + 7
note : / is a fraction line
Correct answer:

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