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 =

gurwindersangh

2015-11-01 14:17:24

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

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blackwomen

2015-11-01 17:51:19

5x=5 if it was any other solution, the equation woluld not make sense.

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