Doubling the difference between a number and 4 is 6 more than the number.

Idon’t understand this.. will someone ? will mark brainliest along with 20 points.

What is the point slope form of a line with slope -5 that contains point (2,-1)

The statements below can be used to prove that the triangles are similar. ? △abc ~ △xyz by the sss similarity theorem. which mathematical statement is missing? ∠b ≅ ∠y ∠b ≅ ∠z