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If x + 3y - ( 2 z)/( 4) = 6 , x + (2)...

If ` x + 3y - ( 2 z)/( 4) = 6 , x + (2)/(3) ( 2 y + 3 z) = 33 and (1)/(7) ( x + y + z) + 2 z = 9 ` then what is the value of ` 46 x + 131y `

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