Section 3: Elimination 8) Solve using elimination:
2y + 7x = -5
5y - 7x = 12
step by step

Wow. that is a really cool question.

“exterior angles of triangles. an exterior (or external) angle is the angle between one side of a triangle and the extension of an adjacent side. try this drag the orange dots on any vertex to reshape the triangle.” look to get to the answer i explained what it means and other things i hope it you .