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16 February, 00:29

1/2 (6x-4) - (3-x) = ax+x+b. What is the value of a-b

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  1. 16 February, 00:57
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    1/2 (6x-4) - (3-x) = ax+x+b

    3x - 2 - 3 + x = (a+1) x + b

    4x - 5 = (a+1) x + b

    compare constants:

    b = - 5

    compare coefficients of x:

    a + 1 = 4

    a = 4-1

    a = 3

    so, a-b = 3 - (-5) = 8
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