Distributive property2x - 4(+4) = 10(+4) i need a verification, i think the answer is 34.

Identify the converse of the following conditional: if a point is in the first quadrant, then its coordinates are positive. if the coordinates of a point are not positive, then the point is not in the first quadrant. if the coordinates of a point are positive, then the point is in the first quadrant. if a point is in the first quadrant, then its coordinates are positive. if a point is not in the first quadrant, then the coordinates of the point are not positive.

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

How is working backward similar to solving an equation?