This question is based on system of linear equation. thus, there is no solution of equations.
Given:
y = - x + 3 ...(1)
y = -x - 3 ...(2)
We know that ,
Equation of line is y = mx+c ...(3)
Now, calculate the slope of equation (1) is m= -1 (by comparing equation (1) and (3).
Now, calculate the slope of equation (2) is m= -1 (by comparing equation (2) and (3).
Therefore, both lines are parallel to each other.Thus, never meet ech other so, the equation has no solution.
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