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OpenStudy (anonymous):
Type the ordered pair that is the solution to these equations. 2x - 3y = 7 -3x + y = 7
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OpenStudy (anonymous):
multiply second eqn by3 and add to first eqn
OpenStudy (anonymous):
2x-3y=7 -9x+3y=21 so ans is -7x = 28 x = -4
OpenStudy (anonymous):
(-3 * -4) +y = 7 y = 7 - 12 y = -5
OpenStudy (anonymous):
So ordered pair is (-4,-5).
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