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12 June, 08:58

3 + 0.5 (4a + 8) = 9 - 2a

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  1. 12 June, 11:09
    0
    A=1/2 or A=0.5, A=2 negative 1 on top of two.

    Step-by-step explanation:

    3+0.5 (4a+8) = 9-2a

    parentheses first

    3+2a+4=9-2a

    add the numbers

    7+2a=9-2a

    move terms

    2a+2a=9-7

    collect the like terms and subtract

    4a=2
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