Mathematics

Mathematics, 30.08.2019 15:10, breemills9953

X+ y = 4 x - 2y = -5 if the first equation is multiplied by 2 and then the equations are added, the result is
is the answer 3x=

answer

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X+ y = 4 x - 2y = -5 if the first equation is multiplied by 2 and then the equations are added, the...

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