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30 March, 12:46

Use distributive property

4 (x- 5) = 3 (x+ 5)

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  1. 30 March, 13:08
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    4 (x- 5) = 3 (x+ 5)

    Multiply the first bracket by 4

    (4) (x) = 4x

    (4) (-5) = -20

    Multiply the second bracket by 3

    (3) (x) = 3x

    (3) (5) = 15

    4x-20=3x+15

    Move 3x to the other side

    Sign changes from + 3x to - 3x

    4x-3x-20=3x-3x+15

    4x-3x-20=15

    x-20=15

    Move - 20 to the other side

    Sign changes from - 20 to + 20

    x-20+20=15+20

    x=15+20

    Answer: x=35
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