Someone please help me solve this problem

Pls , the question is in the picture!

(08.01)consider the following pair of equations: x + y = −2 y = 2x + 10 if the two equations are graphed, at what point do the lines representing the two equations intersect? (−4, 2) (4, 2) (−2, 4) (2, 4)

Given: m∠ adb = m∠cdb ad ≅ dc prove: m∠ bac = m∠bca lol