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10 January, 11:50

What is x+4y=6 and y=-x+3 substituted

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  1. 10 January, 14:06
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    If x + 4y = 6 and you subst. - x+3 for y, you get x + 4 (-x+3) = 6.

    Then x - 4x + 12 = 6, or - 3x = - 6, or x = 2. Since y = - x+3, here y = - (2) + 3 = 1.

    Thus, the solution to this system of linear equations is (2,1).
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