Question 818435
x=7y-6
x+7y=3
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Substitute for "x" and solve for "y"::
7y-6 + 7y = 3
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14y = 9
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y = 9/14
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Solve for "x":
x = 7(9/14)-6
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x = (63/14)-(84/14)
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x = -21/14
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x = -3/2
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Cheers,
Stan H.