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OpenStudy (anonymous):
system of equation
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OpenStudy (anonymous):
OpenStudy (diyadiya):
Add both equations and tell me what you get
OpenStudy (diyadiya):
@vince33
OpenStudy (anonymous):
Add both the eqns. then u get -7y=35 y=-5. Substitute in the 1st eqn. 7x-20=-13 7x=7 x=1
Directrix (directrix):
(1, -5) so x = 1 Option D
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