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24 September, 19:45

X-y=4 x+y=8 the x-coordnate of the solution to the system shows

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  1. 24 September, 20:33
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    x = 6

    Step-by-step explanation:

    Given the 2 equations

    x - y = 4 → (1)

    x + y = 8 → (2)

    Adding the 2 equations term by term eliminates the y - term

    (x + x) + ( - y + y) = (4 + 8), that is

    2x = 12 (divide both sides by 2)

    x = 6
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