No solution. Multiply second equation by 3 and get 12x + 6y = 0 but already stated 12x + 6y = 9...
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12x+6y=9 - 1
4x+2y=0 - 2
y=-2x
sub y= -2x into 1,
12x+6(-2x)=9
12x-12x=9
0=9
thus, no solution.
x = 3, y = 3
{-1,-2}
yes it is possible for a system of two linear inequalities to have a single point as a solution.
It can happen. Then there is no solution!It can happen. Then there is no solution!It can happen. Then there is no solution!It can happen. Then there is no solution!
In linear algebra, Cramer's rule is an explicit formula for the solution of a system of linear equations with as many equations as unknowns, valid whenever the system has a unique solution.