X+ y = 4
x - 2y = -5
if the first equation is multiplied by 2 and then the equatio...
Mathematics, 29.12.2019 00:31, Jaimewillis42
X+ y = 4
x - 2y = -5
if the first equation is multiplied by 2 and then the equations are added, the result is
3x = 13
3x = 3
x = 3
Answers: 3
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