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10 February, 05:55

Solve 3x+32+x+20=180

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  1. 10 February, 07:24
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    x = 32

    Step-by-step explanation:

    3x + 32 + x + 20 = 180

    collect like terms:

    4x + 32 + 20 = 180

    4x + 52 = 180

    Move constant to the right and switch its sign:

    4x = 180 - 52

    Subtract:

    4x = 128

    Divide both sides by 4:

    x = 32
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