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(a - 1) x + 3y = 2, 6x + (1 - 2b) ...

` (a - 1) x + 3y = 2`,
`6x + (1 - 2b) y =6`.

Text Solution

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The correct Answer is:
` a = 3, b = - 4 `
` ( a - 1 )/(6) = ( 3) /( 1- 2b ) = (-2)/(-6) = (1)/(3)`
` rArr ( a - 1 )/(6) = (1)/(3) and ( 3)/(1 - 2b ) = (1)/(3)`
` rArr 3a - 3 = 6 and 1 - 2b = 9`
` rArr 3a = 9 and 2b = - 8 rArr a = 3 and b = - 4`.
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