Given system of equations
-x + y = 0
4x - 3y = -3
From first equation
-x + y = 0 we get
y = x
Substitute this y = x in 4x - 3y = -3 we get
4x - 3(x) = -3
4x - 3x = -3
x = -3
Substitute this x = -3 in y = x we get
y = -3
Therefore
x = -3 and y = -3
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