Determinantes Determine x tal que:

a) |3x x+2|=11
    |5     4 |

b) |2x-1 x+3|=0
    | 4      x  |

c) |x  3  1|
    |1  4  5|=55
    |x - 2 3|

d) |  3   1  4|
    |x+2 -1 5| =35
    |  2   3 -2|

Se possivel deixar os calculos eu agradeço.
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