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OpenStudy (anonymous):
What is the solution to the following system of equations? y = −x2 − 5x − 4 y = −x2 + 9x − 18
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OpenStudy (anonymous):
is this problem in a chapter that says, matrix or substitution?
OpenStudy (anonymous):
Substitution
OpenStudy (superdavesuper):
y=y and then substitute the two equations for x in there....u can then solve for x.
OpenStudy (anonymous):
does that make sense what superdave said?
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