Solve 3x - 5y = -1 , x-y = -1 using substitution method
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put y=x+1 in first equation
3x-5x-5+1=0 gives x=(-2)
and y=(-1) from second equation.
3x-5x-5+1=0 gives x=(-2)
and y=(-1) from second equation.
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