gtyygyj
gtyygyj
05-04-2017
Mathematics
contestada
x+3y=8
4x-y=6 system of equations by substituio
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TrinhDinh
TrinhDinh
05-04-2017
X+3y=8
3y=-x+8
y=-x/3 +8/3
4x-y=6
-y =-4x+6 ( - mean -1 )
y = 4x-6
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