Can you show all work how you do this and with answer 5x - 4 = 6x + 11

Ineed to know the answer to this algebra question.

Write the point-slope form of the line passing through (2, -12) and parallel to y=3x.

If the altitude is drawn to the hypotenuse of a right triangle, then the two triangles formed are similar to the original triangle and to each other. which set of triangles shows the similar triangles created by the altitude in the diagram?