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OpenStudy (anonymous):
Solve using the addition method. x+y=12 2x-y=6
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OpenStudy (amistre64):
is the additionmethod the same as the elimination method?
OpenStudy (anonymous):
Add the two to get 3x = 18 x = 18/3 = 6 Put in first equation 6 + y = 12 y = 12 - 6 = 6
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