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24 March, 18:54

For each order pair, determine whether is it a solution to 7x+4y=-23

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  1. 24 March, 20:52
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    Simplifying

    7x + - 4y = 23

    Solving

    7x + - 4y = 23

    Solving for variable 'x'.

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

    Add '4y' to each side of the equation.

    7x + - 4y + 4y = 23 + 4y

    Combine like terms: - 4y + 4y = 0

    7x + 0 = 23 + 4y

    7x = 23 + 4y

    Divide each side by '7'.

    x = 3.285714286 + 0.5714285714y

    Simplifying

    x = 3.285714286 + 0.5714285714y
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