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OpenStudy (itsjustirii):
solve the system of equation below x-2y=3 2x-3y=9 a.(-9,3) b.(-3,9) c.(3,9) d.(9,3)
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OpenStudy (marcelie):
solve for y
OpenStudy (photon336):
solve the first one for y, then plug that into the second equation and solve.
OpenStudy (mathmale):
Alternatively, solve the first equation for x (easily done). Replace x in the 2nd equation with the outcome of your solving for x. Solve the resulting equation for y. Then find x.
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