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12 June, 21:38

7y-1=2 (y+3) - 2 What is y? Need this done by March 5.

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  1. 12 June, 21:57
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    expand the brackets

    7y-1=2y+4

    move variable to the left side by changing the sign

    7y-2y-1=4

    do the same thing to the constant

    7y-2y=1+4

    equal to 5y=5

    therefore y=q1
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