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7 August, 14:30

Use the working backward method to find the sotution of the equation

4y-1=7

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  1. 7 August, 16:03
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    4y-1=7

    --add 1 on both sides ... the 1's will cancel out each other and 7 + 1 = 8

    4y=8

    --divide 4 on both sides ... the 4's will cancel out each other and 8 divided by 4 = 2.

    Answer: y=2
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