I NEED HELP WITH THIS QUESTION NO LINKS

Solve - pv + 40 < 65 for v solve 7w - 3r = 15 for r

What does x = in this equation x+3+2x=x+5

In the figure below, ∠dec ≅ ∠dce, ∠b ≅ ∠f, and segment df is congruent to segment bd. point c is the point of intersection between segment ag and segment bd, while point e is the point of intersection between segment ag and segment df. the figure shows a polygon comprised of three triangles, abc, dec, and gfe. prove δabc ≅ δgfe.