Mathematics, 22.09.2019 05:50 millernicholas622

2x + y = 3
x - 2y = -1
if equation two is multiplied by -2 and then the equations are added, the result is
a.) -3y = 3
b.) 3y = 5
c.) 5y = 5

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2x + y = 3
x - 2y = -1
if equation two is multiplied by -2 and then the equations are ad...