Solve for y
y=80-6x-x^{2}
Solve for x (complex solution)
x=\sqrt{89-y}-3
x=-\sqrt{89-y}-3
Solve for x
x=\sqrt{89-y}-3
x=-\sqrt{89-y}-3\text{, }y\leq 89
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6x+y=80-x^{2}
Subtract x^{2} from both sides.
y=80-x^{2}-6x
Subtract 6x from both sides.
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