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5 August, 10:50

If (5x-1) and (5x-19) for a linear pair then x is

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  1. 5 August, 11:15
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    x = 20

    Step-by-step explanation:

    A linear pair are supplementary, thus

    5x - 1 + 5x - 19 = 180, that is

    10x - 20 = 180 (add 20 to both sides)

    10x = 200 (divide both sides by 10)

    x = 20
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