1.) 2x + y = 3
2.) x - 2y = -1
if equation 1 is multiplied by 2 and then the equations a...
Mathematics, 26.09.2019 21:30, kellyroy74
1.) 2x + y = 3
2.) x - 2y = -1
if equation 1 is multiplied by 2 and then the equations are added, the result is
3x = 2
3x = 5
5x = 5
Answers: 2
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