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lespinal lespinal
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12 years ago
8.) Solve by the substitution method. Is there a solution? If so what would the ordered pair be? Or is there NO solution? Or are there infinitely many solutions?

4x-7y=-14
7x+47=y
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#1
12 years ago
4x-7y=-14
7x+47=y

4x-7(7x+47)=-14
4x-49x-329=-14
-45x=315
x=-7

7(-7)+47=y
-49+47=y
y=-2

(-7, -2)
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