\[\boxed{\text{920\ (920).\ }\text{Еуроки\ -\ ДЗ\ без\ мороки}}\]
\[2 \cdot 0 - 3y = 6;\ \ - 3y = 6;\]
\[\text{\ \ }y = - 2 \Longrightarrow \ \ (0;\ - 2)\]
\[2x - 3 \cdot 0 = 6;\ \ 2x = 6;\ \ \]
\[x = 3 \Longrightarrow \ \ (3;0).\]
\[0 + y = 4;\ \ y = 4 \Longrightarrow \ (0;4)\]
\[x^{2} + 0 = 4;\ \ x^{2} = 4;\ \ x = \pm 2 \Longrightarrow \ \]
\[\Longrightarrow (2;0),\ ( - 2;0)\]
\[0 + |y| = 7;\text{\ \ }|y| = 7;\ \ y = \pm 7 \Longrightarrow \ \]
\[\Longrightarrow \ (0;\ 7),\ (0;\ - 7)\]
\[|x| + 0 = 7;\ \ |x| = 7;\ \ x = \pm 7 \Longrightarrow \ \]
\[\Longrightarrow \ (7;0),\ ( - 7;0)\]