Solve the equation below and then justify each step by writing a reason for each statement.

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.

Divide. –4.2 ÷ 6 = a –0.7 b 0.7 c –7 d 7 me

Which expression gives the exact value of x?