check whether the pair of linear equation 3 X + 5 Y =15 and X - y = 5 is consistent also find the coordinates of the point where the graph of the equation of y axis
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3/1 ≠ -5/1
Equations have unique solutions. Hence they are consistent.
X = 5+y
Put in equation (i)
3(5+y) + 5y = 15.
15 + 3y + 5y = 15
8y = 0
Y = 0
X = 5
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