Question

is 0 and 3 a solution to y equals negative x plus 3 and y equals 2 x minus negative 3?

Answer 1

\[y=-x+3\\ y=2x--3\]
\[-x+3=2x--3\\ 0 = 3x\\ x = 0\]

\[y=-0+3=3\\ y = 2(0)--3 = 3\]
Therefore the point of intersection is indeed: \[(0, 3)\]