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OpenStudy (anonymous):
solve the system of equations by addition 3x + 2y = 27 6x - 6y =24
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OpenStudy (anonymous):
multiply the first equation by 3 and add the two equations. 9x+6y=81 6x-6y=24 add 15x=105 x=7 y=3
OpenStudy (anonymous):
9x + 6y = 81 6x -6y = 24 3x = 57 x = 19 114-6y = 24 y = 15
OpenStudy (anonymous):
Oh. My bad
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