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21 October, 07:03

7x-9=75 solve and check the linear equation

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  1. 21 October, 07:41
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    12

    Step-by-step explanation:

    Move all terms containing x to the left, all other terms to the right.

    Add '9' to each side of the equation.

    -9 + 9 + 7x = 75 + 9

    Combine like terms: - 9 + 9 = 0

    0 + 7x = 75 + 9

    7x = 75 + 9

    Combine like terms: 75 + 9 = 84

    7x = 84

    Divide each side by '7'.

    x = 12

    Simplifying

    x = 12
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