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7 September, 00:42

2b + 3c = 4.75

b + 2c = 2.75

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  1. 7 September, 00:49
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    2b+3c-b-2c=4.75-2.75

    b+c=2

    But, b+2c=2.75

    So, b+2c-b-c=2.75-2

    c=0.75

    Put this value in 2nd eqn,

    b+2*0.75=2.75

    b+1.5=2.75

    b=1.25.

    I hope you get your answer.
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