jacky1234
jacky1234
08-07-2016
Mathematics
contestada
2x -3y =2
x = 6y - 5
Respuesta :
JohnLayton
JohnLayton
08-07-2016
2(6y - 5) - 3y = 2
12y - 10 - 3y = 2
9y - 10 = 2
9y = 12
y = 4/3, or 1 1/3
2x - 3(4/3) = 2
2x - 12/3 = 2
2x - 4 = 2
2x = 6
x = 3
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